1、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. Cong
2、ressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS WebOrder Code 98-148 GOVUpdated June 23, 2003Presidential Vetoes, 1789-Present:A Summary OverviewGary L. GalemoreAnalyst in American National GovernmentGovernment and Finance DivisionSummaryThe veto pow
3、er 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 42 Presidents haveexercised their veto authority 2,550 times. Of that total numb
4、er, 1,484 have beenreturned vetoesthat is, the rejected legislation was returned to the congressional houseof origin, while it was in session, with a presidential message of explanationand 1,066were pocket vetoed or rejected while Congress was adjourned. Congress has challengedthe Presidents veto 31