2 Former Presidents Speak Out In Veiled Criticism Of President Trump

There is an unspoken rule that former presidents do not criticize the sitting president, but former Presidents Bush and Obama broke that rule on Thursday. They did not mention President Trump by name, but their calls for civility and a higher purpose were seen as a rebuke of the current president.

Presidential historian Douglas Brinkley joins Here & Now's Robin Young to put the former presidents' remarks in context.