The Syrian fighters are meant to combat the Islamic State in Iraq and Syria (ISIS).
ISIS called for a new wave of violence in June for Ramadan.
Photos appear to show U.S. forces riding in the back of an armored truck in Syria.
Trump says that Clinton would give Americans "four more years" of Obama.
"We have seen this declaration of emergency in Raqqa, whatever that means."
What have been the actual effects of top-down targeting of ISIS leadership?
Democrat Barbara Lee and Republican John McCain have the same concerns.
They are being refused temporary visas at a higher rate than applicants from similar nations.
Bombastic pronouncements don't do anything other than raise our blood pressure.
The House Armed Services Committee chairman said it provided little new information.
The video features footage of Trump calling Brussels a "horror show" after the attacks.
"We will also continue to go after ISIL aggressively until it ... is finally destroyed."
"This is ISIS," Gov. Rick Scott (R-Fla.) said. "This is evil."
The coalition strikes also destroyed seven buildings ISIS was using.
In a video, ISIS mocked Muslims living in harmony with Hindus.
Clinton said Trump's foreign policy ideas should raise "red flags" for voters.
But Josh Earnest indicated no such plans are in the works.
"The only person that is truly respected by all the other countries is her," Hayek said.
OPINION: Donald Trump and Ted Cruz are both reckless on global affairs.
"We’re all going to have to do more when it comes to intelligence sharing."
The Pentagon says Haji Imam, a senior religious leader, was killed by U.S. forces.
American officials had concerns about Ibrahim and Khalid El Bakraoui.
The hacking group also calls for compassion for Muslims in Europe.
The attacks put in sharp focus the failed European policy toward migrants.