Sanders said Obama can't negotiate "with people who refuse to negotiate."
Gen. James Cartwright said strikes in Syria would probably target ISIS's training areas.
McCaul said it’s a “positive sign” that countries are stepping up to join the coalition.
Harkin said he expects a primary challenge for Clinton if she runs for president.
"But our Air Force understands risk management," the retired officer said.
“They have to be in conjunction with three other campaigns,” one retired officer said.
The senator said he's disappointed that Obama will act on immigration after midterms.
"We cannot do it all by ourselves," he said.
The Illinois Democrat said Obama was "playing it safe."
Cruz called for a "directed, concerted, overwhelming campaign to take them out."
Obama will wait until after the midterm elections to announce actions on immigration.
Rep. Tony Cardenas (D-Calif.) said Obama's immigration decision smelled of politics.
The issue, Sanders said, is that “the American people want change."
"That player should've been fired immediately,” Gillibrand said.
Kerry said it’s “not appropriate” to start announcing each country’s plan to fight ISIS.
Hayden said U.S. special operations forces could wind up on the ground in Syria.
The South Carolina senator called the administration's approach "delusional."
"Everybody believes there has to be someone on the ground," he said.
The senator said part of his decision will hinge on control of the Senate.
The senator said he hopes that the U.S. response to ISIS will include airstrikes in Syria.
The Republican said he doesn't think Obama needs approval for strikes in Syria.
Feinstein predicted that ISIS is headed to Baghdad to move against the U.S. embassy.
Romney insisted he's not running for president in 2016.
Obama said he “should have anticipated the optics.”