Identity in US politics - what's changing?
Peter Robinson served in the Reagan administration and Michael Waldman was a speechwriter for Bill Clinton - so what do they make of the state of their parties' identities today? Dan Damon asked them to reflect on the transformational politics of Reagan and Clinton, and how their presidencies informed the political landscape today.
(Photo: A Bernie Sanders supporter taken out by police at a Donald Trump rally
Credit: John Sommers II / Getty)