Senate Majority Leader Chuck Schumer (D-NY) gestures, walking out of the Senate Chamber, celebrating the passage of the Inflation Reduct Act at the U.S. Capitol on Sunday, Aug. 7, 2022 in Washington, DC. TKent Nishimura | Los Angeles Times | Getty ImagesDemocrats will hold their razor-thin majority in the U.S. Senate, NBC News projects, staving off a full-bore effort by Republicans to leverage economic volatility and public discontent into control of the upper chamber of Congress.The party will hold at least 50 seats in the Senate in the next Congress, after incumbents held their ground in key races and Democratic Lt. Gov. John Fetterman flipped Pennsylvania’s GOP-held seat. One uncalled race, where Democratic Sen. Raphael Warnock of Georgia is defending his seat against Republican Herschel Walker, will be decided in a Dec. 6 runoff. Democrats currently control the Senate split 50-50 …
