Mr. Thune, the No. 2 Republican in the Senate, is considering giving up his South Dakota seat because of both family concerns and Donald Trump’s enduring hold on the G.O.P.
Senator Joe Manchin III noted climate policy when he said he would vote against the Build Back Better Act. In his life and career, West Virginia coal has loomed large.
The president is set to unveil his initiatives, which also include creating new federal testing sites and deploying federal vaccinators, in a speech on Tuesday.
Senator Joe Manchin III criticized the White House staff for its handling of negotiations over the legislation, saying officials had pushed him to his “wit’s end.”
The Senate majority leader still lacks the votes to alter the filibuster, but he said he will renew the effort to enact voting rights measures as early as the first week of January.
The $1 trillion infrastructure bill that President Biden signed into law includes money that Amtrak hopes can fix crumbling bridges and tunnels along the Northeast Corridor.