Graham Platner is poised to win his party's Senate nomination Tuesday despite a campaign roiled by offensive Reddit posts he wrote years ago, a chest tattoo widely recognized as a Nazi symbol, and more recent reports of unsettling behavior toward women -- a trajectory that would place him among a growing number of politicians whose personal failings have not derailed them at the ballot box.

Republicans are warning the White House that a critical surveillance authority is likely to lapse this week amid bipartisan backlash over President Donald Trump's pick to lead the nation's intelligence community.