Biden's dismal poll numbers imperil Dem Senate control

Democrats’ path to saving their narrow Senate majority comes down to defending four states this fall. And in all of them, President Joe Biden is underwater in the polls.

Biden’s drag on swing-state incumbents is emerging as a pivotal factor in the midterm Senate elections, where the loss of just one Democratic-held seat in November could put Republicans in control.

Acutely aware of the need to get distance from the president, the four most endangered Democratic incumbents — Arizona Sen. Mark Kelly, Georgia Sen. Raphael Warnock, Nevada Sen. Catherine Cortez Masto and New Hampshire...