For purely political trips, a campaign reimburses the government for use of Air Force One. But trips that mix business with campaigning are murkier, rules-wise, and who pays is more opaque.
The day after Solicitor General Donald Verrilli announced he was stepping down, he sat down with NPR's Nina Totenberg to reflect on his five years as the government's chief advocate.
The Stonewall National Monument in New York City will be the first addition to the National Park System specifically highlighting the history of the LGBT community.
Hillary Clinton and President Obama both came out swinging against Donald Trump and his response to the attack in Orlando. At times it seemed like they could be reading from the same script.
Clinton said she is looking forward to working with Bernie Sanders "during the campaign and then after the inauguration," as the rivals figure out how to unify.
Under a Moody's model, Hillary Clinton beats Donald Trump. The oldest model picks the GOP nominee to win, though it may be proved wrong, its creator says, because Trump is so outside the mainstream.
David Padilla is adjusting to life back home in Northeast Philadelphia. After nearly 20 years in prison, he won clemency last year, freeing him from two life sentences for nonviolent drug crimes.
"From the beginning I've said that I would continue on as long as there was a viable path to victory," Cruz told supporters. "Tonight I'm sorry to say it appears that path has been foreclosed."
Environmentalists opposed to a US-EU trade deal say documents they leaked prove corporations have too much say. But EU officials say that's "flatly wrong."