U.S. Defense Secretary Ash Carter made a surprise visit to Baghdad on Thursday to get a first-hand assessment of the campaign against Islamic State as Iraq tries to retake the fallen capital of Sunni-dominated Anbar province.
Top Republicans vowed Wednesday to do their utmost to scrap President Barack Obama's nuclear deal with Iran as the biggest pro-Israel lobby prepared for an all-out campaign to pressure wary lawmakers into rejecting the agreement.
The FBI still has not determined whether the suspect in the fatal shootings of five U.S. servicemen in Tennessee last week was radicalized in the run-up to the rampage, the special agent in charge of the investigation said on Wednesday.