[20040407]98-148_1789年至今的总统否决：摘要概述.pdf

1 A quorum is defined as the number of members whose presence is necessary for the transactionof business. In the Senate and House, it is a majority of the membership (when there are novacancies, this is 51 in the Senate and 218 in the House). A quorum is 100 in the Committee ofthe Whole House. Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS WebOrder Code 98-148Updated April 7, 2004Presidential Vetoes, 1789-Present: A Summary OverviewMitchel A. SollenbergerAnalyst in American National GovernmentGovernment and Finance DivisionSummaryThe veto power vested in the President by Article I, Section 7 of the Constitutionhas proved to be an effective tool for the chief executive in his dealings with Congress.Since the beginning of the federal government in 1789, 35 of 43 Presidents haveexercised their veto authority a total of 2,550 times. Of that total number, 1,484 havebeen returned vetoes that is, the rejected legislation was returned to the congressionalhouse of origin, while it was in session, with a presidential message of explanation and 1,066 were pocket vetoed, or rejected while Congress was adjourned. Congress haschallenged the