WATCH LIVE: Obama Holds Press Conference On Iran Deal At 1 ET

President Barack Obama, standing with Vice President Joe Biden, delivers remarks in the East Room of the White House in Washington, Tuesday, July 14, 2015, after an Iran nuclear deal is reached. After 18 days of inte... President Barack Obama, standing with Vice President Joe Biden, delivers remarks in the East Room of the White House in Washington, Tuesday, July 14, 2015, after an Iran nuclear deal is reached. After 18 days of intense and often fractious negotiation, diplomats Tuesday declared that world powers and Iran had struck a landmark deal to curb Iran's nuclear program in exchange for billions of dollars in relief from international sanctions. (AP Photo/Andrew Harnik, Pool) MORE LESS

President Obama is scheduled to deliver a press conference about the Iran nuclear deal today at 1 p.m. ET, a start in his efforts to sell Congress on the historic deal.

He is also expected to address congressional Republicans and the 2016 race in the news conference, to be held in the White House East Room.

Watch the President’s remarks live, via NBCNews: