In interview, the Senate minority leader said intraparty critics underestimated the dangers of a funding lapse.

The U.S. Senate on Friday passed a stopgap spending bill, averting a partial government shutdown, after Democrats backed down in a standoff driven by anger over President Donald Trump's campaign to slash the federal workforce.

A generational divide, seen in newer lawmakers’ impatience with bipartisanship and for colleagues who don’t understand new media, has emerged as one of the deepest rifts within the party.