WASHINGTON—Senate Majority Leader John Thune (R., S.D.) is trying to release this week a revised version of President Trump’s “big, beautiful bill.” But as he races to pass the legislation ahead of Republicans’ self-imposed July 4 deadline,

Republicans have set an ambitious deadline of trying to pass President Donald Trump’s sweeping agenda through Congress by the fourth of July. Hear senators describe in their own words their concerns and what they want to see changed in the weeks ahead.

Republicans hold a slim majority in the upper chamber, with 53 senators to the 47 who caucus with the Democrats. If all Democratic senators vote against the bill, as is expected, it will take only a handful of GOP rebels to defeat it.