From TODAY.

In a TODAY exclusive, Jenna Bush Hager spoke to all four living former presidents of the United States ahead of America’s 250th anniversary in July.

The former presidents gathered in Philadelphia for a History Channel event called History Talks, held in partnership with Comcast, our corporate parent.

Jenna Bush Hager caught up with each of them on the sidelines for one‑on‑one conversations.

The interviews air only on TODAY on Tuesday, April 21.