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.

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.

From centrists worried about Medicaid cuts to conservative hard-liners demanding steeper spending reductions, Senate GOP leaders face a tricky balancing act.