Sen. Joe Manchin (D-W.Va.) said on April 16 he’s not sure if he supports ramming another legislative package through Congress after some in his party have tried securing a commitment from him on a sweeping infrastructure package, in exchange for their support for a smaller, bipartisan proposal that he helped craft. “If they don’t like it, they should vote against it,” Manchin, a Democrat, told reporters on Capitol Hill. “That should not be conditional. It should be based on the merits of what the bill is.” A bipartisan group that includes Manchin and Sen. Mitt Romney (R-Utah) announced last week that they had reached a deal on infrastructure, pending White House approval. Meanwhile, a segment of the Democratic caucus is growing frustrated with the pace of infrastructure negotiations, and don’t want to wait for the bipartisan group to negotiate with President Joe Biden and administration officials. They want Manchin and Sen. …