The ex-lawmaker called his outreach to Cuba and Iran "the worst part" of his presidency.
The assault on U.S. citizen Jorge Luis García was caught on video.
Khamenei called the airstrike campaign a "genocide" against Yemeni civilians.
Senate Democrats are seeking changes to a bill allowing Congress to review the deal.
The soldier and his cousin are accused of plotting a terrorist attack on U.S. soil.
"All we're asking," the senator says, is that Obama be as tough "as Bill Clinton was."
The White House is trying to bottle up bipartisan legislation.
The leaders will attend the Summit of the Americas later this week.
The peaceful transition promised by Nigeria's outgoing president is a milestone.
If the US plays its cards right, it can stabilize the region and correct earlier mistakes.
Twitter is reportedly back online in Turkey after removing photos of a lawyer taken hostage.
If Congress scuttles the agreement, it will be a slap in the face of our partners.
Obama said a formal recommendation has not yet been presented.
He tweeted "the other side is into lying & breaching promises," citing a WH fact sheet.
The opening to Cuba represented exactly zero change in overall strategy toward the region.
Sen. Chris Coons is proposing an amendment to the Senate's Iran review bill.
He slammed the draft accord, reached by negotiators last week.
The contrast between the GOP's positions on Iran and Trade Promotion Authority is striking.
"The detention of women's activists in #China must end. This is inexcusable," she tweeted.
The 2016 White House hopeful has criticized the multilateral deal on Iran’s nuclear program.
White House officials are hoping they can convince Sen. Bob Corker to give them time.
“The access and transparency is unprecedented,” Ernest Moniz said.
President Obama is making an aggressive sales pitch for the preliminary nuclear agreement.
Czech president says U.S. Ambassador Andrew Schapiro "overstepped" with travel remarks.