On Sunday, an Ultimate Fighting Championship event on the White House lawn will mark both President Trump's 80th birthday and Flag Day. White House correspondent Liz Landers explains how this moment for Trump and the UFC was decades in the making.

As the nation nears its 250th anniversary next month, Judy Woodruff reports on how old questions about faith and the founding are once again being pushed to the forefront. It's part of her series, America at a Crossroads.