Four GOP senators break ranks to vote for Democratic extension of ObamaCare subsidies

Four Republican senators, including two vulnerable incumbents who are up for re-election next year, broke ranks Thursday and voted for a three-year extension of enhanced health insurance premium subsidies under the Affordable Care Act. Sens. Susan Collins (R-Maine), Lisa Murkowski (R-Alaska), Dan Sullivan (R-Alaska) and Josh Hawley (R-Mo.) all voted for the Democratic proposal, which…