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

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.

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.