Obama says Sanders' supporters helped undermine Obamacare

President Barack Obama said on Friday that criticism from the left wing of his own Democratic Party helped feed into the unpopularity of Obamacare, his signature healthcare reform law. Obama has been spending part of his last two weeks in office urging supporters to speak out against plans by Republicans - who will soon control both the White House and Congress - to dismantle the 2010 Affordable Care Act. At a town hall event with Vox Media, Obama acknowledged the politics have been stacked agai