Harry Reid
Reid makes a final push to shut down the GOP's effort to kill the agreement.
Obama singled out the Koch brothers for obstructing state-level efforts to set new renewable energy standards and promote clean energy.
"This is the best way, the only way, to keep Iran from getting a nuclear weapon."
Republicans say they're ready to talk in September -- just before government funding runs out.
WHAT'S HAPPENING
Republicans used a veterans' fertility bill to attack the reproductive health organization.
Check out the expressions on the faces of Senate Democratic leaders.
Democrats block a procedural motion after McConnell and Boxer reach a deal.
"There is no daylight between Donald Trump and the rest of the Republican field."
