Campaign Donation Limits; Healthcare Politics

The Supreme Court rejected the overall limits on how much individuals can donate; the implementation and politics of the Affordable Care Act; and why two powerful GOP congressmen, Rep. Mike Rogers and Rep. Dave Camp, have chosen not to seek re-election. Joining Gwen: Jeff Zeleny, ABC News; Matea Gold, The Washington Post; Pete Williams, NBC News; John Dickerson, Slate Magazine.