"It's not a fixed-year agreement," Energy Secretary Ernest Moniz said. "It’s a forever agreement."
The dinner is an effort to "get everyone on the same page," said an organizer.
"The politics of it got tough and people got scared by the rhetoric around it," the president said. "Once that set in, the path of least resistance was to leave it open even though it is not who we are as a country."
An envelope that has tested positive for cyanide was intercepted Monday at the White House Mail Screening Facility, according to U.S. Secret Service officials
His executive action requires the companies that service student loans to be more forthcoming with information.
Sens. Bob Corker, Jeff Flake, Susan Collins are among them.
The president's remarks come ahead of a momentous commemoration of the civil rights movement in Selma, Ala., this weekend.
It's time for a visit from the Taoiseach.
Netanyahu said Iran's "tentacles of terror" pose a "grave threat" to Israel and the world.
She laid out the U.S. rationale for negotiating with Iran over its nuclear program.