📚 Formal Sources of Presidential Power in the US Constitution | 美国总统权力的宪法正式来源及其运用
The US Constitution establishes a single executive in Article II, creating formal powers that presidents have used, expanded, and contested since 1789. Understanding these enumerated powers is essential for AS-level analysis of presidential behaviour, separation of powers, and checks and balances.
美国宪法第二条规定了单一行政首脑，赋予总统自 1789 年以来不断运用、扩展并受到争议的正式权力。理解这些明示权力对于 AS 阶段分析总统行为、三权分立与制衡机制至关重要。
1. The Vesting Clause and Executive Power | 授权条款与行政权
Article II, Section 1 opens with the words “The executive Power shall be vested in a President of the United States of America.” Unlike Article I, which grants Congress only “all legislative Powers herein granted,” the Vesting Clause is often read as a broad grant of executive authority.
宪法第二条第一款开宗明义：“行政权属于美利坚合众国总统。”与宪法第一条仅授予国会“本宪法所授予的全部立法权”不同，授权条款常被解读为对行政权的广泛授予。
This wording has allowed presidents to claim inherent executive powers beyond those explicitly listed, such as the power to remove executive officials and to protect national security through executive orders.
这一措辞使总统能够主张明示权力之外的固有行政权，例如罢免行政官员的权力以及通过行政命令保护国家安全的权力。
In practice, George Washington established the precedent that the President may remove cabinet officers without Senate consent, a practice that strengthened the unitary executive.
在实践中，乔治·华盛顿开创了总统无需参议院同意即可罢免内阁官员的先例，这一做法加强了单一行政首脑的地位。
2. Commander-in-Chief Power | 总司令权力
Article II, Section 2 designates the President as “Commander in Chief of the Army and Navy of the United States, and of the Militia of the several States, when called into the actual Service of the United States.”
宪法第二条第二款规定总统为“合众国陆军和海军以及被征召为合众国服役的各州民兵的总司令”。
The President therefore has direct operational control over the armed forces, including the deployment of troops, the planning of military strategy, and the command of military operations during wartime.
因此，总统对武装力量拥有直接的作战控制权，包括部署军队、策划军事战略以及在战时指挥军事行动。
However, the formal power to declare war rests with Congress under Article I, Section 8. This division has led to repeated tensions, as presidents have committed forces to conflicts without a formal declaration of war, for example in Korea, Vietnam, and Iraq.
然而，正式宣战权属于国会（第一条第八款）。这种权力划分导致反复的紧张关系，因为总统常在未经正式宣战的情况下将部队投入冲突，例如在朝鲜、越南和伊拉克。
The War Powers Resolution of 1973 attempted to reassert congressional authority, but presidents of both parties have generally regarded it as an unconstitutional infringement of their commander-in-chief power.
1973 年的《战争权力决议》试图重申国会权威，但两党总统普遍认为该决议侵犯了其总司令权力，属违宪。
3. Power to Grant Reprieves and Pardons | 赦免与缓刑权
Article II, Section 2, Clause 1 gives the President the “Power to grant Reprieves and Pardons for Offences against the United States, except in Cases of Impeachment.”
宪法第二条第二款第一项授予总统“对危害合众国的犯罪行为颁布缓刑和赦免的权力，但弹劾案除外”。
This is a formal, unilateral power that does not require the consent of Congress or the courts. The President can pardon individuals for federal crimes, commute sentences, and remit fines.
这是一项无需国会或法院同意的正式、单方面权力。总统可以赦免联邦罪行、减刑以及免除罚金。
Notable examples include Gerald Ford’s pardon of Richard Nixon after Watergate, and the use of pardon powers by presidents at the end of their terms to grant clemency to political allies or convicted individuals.
著名例子包括水门事件后杰拉尔德·福特对理查德·尼克松的赦免，以及历届总统在任期结束时运用赦免权给予政治盟友或被定罪者宽大处理。
The pardon power is absolute in the sense that neither Congress nor the judiciary can overturn a presidential pardon, though it does not apply to state crimes or impeachment.
赦免权在某种意义上具有绝对性，国会和司法机关均不能推翻总统赦免，但该权力不适用于州犯罪或弹劾案件。
4. Treaty-Making Power | 缔约权
Article II, Section 2, Clause 2 provides that the President “shall have Power, by and with the Advice and Consent of the Senate, to make Treaties, provided two thirds of the Senators present concur.”
宪法第二条第二款第二项规定总统“有权经参议院咨询和同意，在出席参议员三分之二赞同的情况下缔结条约”。
This is a shared power: the President negotiates and signs treaties, but they only become binding if the Senate gives its advice and consent by a two-thirds vote.
这是一项共享权力：总统负责谈判和签署条约，但条约只有在参议院以三分之二多数表示咨询和同意后才具有约束力。
In modern practice, presidents have increasingly used executive agreements instead of treaties to bypass the Senate. Although not mentioned in the Constitution, executive agreements have been upheld by the Supreme Court and carry much of the same legal weight.
在现代实践中，总统越来越多地使用行政协定而非条约来绕过参议院。虽然宪法并未提及行政协定，但最高法院已认可其效力，且其法律分量与条约相当。
A key example is the Iran Nuclear Deal (JCPOA) negotiated by President Obama, which was treated as an executive agreement rather than a treaty to avoid a likely Senate rejection.
一个关键例子是奥巴马总统谈判的伊朗核协议（JCPOA），该协议被作为行政协定而非条约处理，以避免参议院可能的否决。
5. Appointment Power | 任命权
Article II, Section 2 also empowers the President to nominate, and with the Advice and Consent of the Senate, appoint “Ambassadors, other public Ministers and Consuls, Judges of the supreme Court, and all other Officers of the United States.”
宪法第二条第二款还授权总统提名并经参议院咨询和同意任命“大使、其他公使和领事、最高法院法官以及合众国所有其他官员”。
The President’s appointment power is therefore not unilateral for principal officers: the Senate must confirm nominations by a majority vote. This gives the Senate an important check on presidential patronage.
因此，总统对主要官员的任命权并非单方面行使：参议院必须以多数票确认提名。这使参议院成为对总统人事任命权的重要制衡。
However, the President alone selects nominees and can influence the ideological direction of the federal judiciary and executive branch. For example, Supreme Court nominations are among the most consequential because justices serve for life.
然而，唯有总统有权挑选候选人，并能影响联邦司法和行政部门的意识形态走向。例如，最高法院大法官提名影响最为深远，因为大法官终身任职。
The Recess Appointments Clause also allows the President to fill vacancies that occur during the Senate recess, but the Supreme Court in NLRB v. Noel Canning (2014) limited the use of this power.
休会任命条款还允许总统填补参议院休会期间出现的空缺，但最高法院在 2014 年“国家劳资关系委员会诉诺埃尔·坎宁案”中限制了这一权力的使用。
6. Veto Power | 否决权
Although the veto power appears in Article I, Section 7, it is one of the President’s most significant formal legislative powers. Every bill passed by Congress must be presented to the President for approval or rejection.
尽管否决权出现在宪法第一条第七款，但它仍是总统最重要的正式立法权力之一。国会通过的任何法案都必须呈交总统批准或否决。
The President may sign the bill into law, veto it and return it with objections, or allow it to become law without signature after ten days (excluding Sundays) while Congress is in session.
总统可以签署法案使其成为法律，也可以否决并连同反对意见退回国会，或者在国会开会期间十天内（星期日除外）不签署而使其自动成为法律。
Congress can override a presidential veto only by a two-thirds vote in both the House and the Senate. This high threshold means that successful overrides are relatively rare, giving the President substantial influence over legislation.
国会只有在众议院和参议院均以三分之二多数通过时才能推翻总统否决。这一高门槛意味着成功推翻否决的情况相对少见，使总统对立法拥有重大影响力。
The pocket veto occurs when the President does not sign a bill and Congress adjourns within the ten-day period, preventing the bill from becoming law. Presidents have used the veto and pocket veto strategically to block legislation they oppose.
口袋否决是指总统在十天内不签署法案而国会在此期间休会，使法案无法成为法律。总统们战略性地使用否决权和口袋否决来阻止他们反对的立法。
7. State of the Union and Legislative Recommendations | 国情咨文与立法建议
Article II, Section 3 requires the President to “from time to time give to the Congress Information of the State of the Union, and recommend to their Consideration such Measures as he shall judge necessary and expedient.”
宪法第二条第三款要求总统“不时向国会提供国情咨文，并将他认为必要和适宜的措施提请国会审议”。
This formal duty gives the President a platform to set the legislative agenda, highlight policy priorities, and pressure Congress to act on his proposals.
这一正式职责赋予总统一个制定立法议程、突出政策重点并施压国会对其建议采取行动的平台。
The annual State of the Union address has become a major media event, allowing the President to speak directly to the nation and to lawmakers. Presidents often use it to announce new initiatives and claim credit for achievements.
年度国情咨文演讲已成为重大媒体事件，使总统能够直接向全国和国会议员讲话。总统们经常利用这一场合宣布新举措并宣扬政绩
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