A top adviser to Osama bin Laden warned in 2011 about the rise of the Islamic extremists.
The funds will go to help France, which is targeting terror groups on the continent.
Will there be peaceful construction or deadly destruction in the days and weeks ahead?
Forces loyal to Prime Minister Nouri al-Maliki reportedly have deployed in Baghdad.
Democrats, meanwhile, warn the president against escalation.
"There’s no doubt in my mind that Hamas initiated this conflict," she said.
“We should take nothing off the table," said the former Homeland Security chairman said.
“I think these targeted strikes are very effective,” Sen. Jack Reed said.
"This is the moment" for Obama to exercise leadership, Zalmay Khalilzad said.
McCain said targeted airstrikes and humanitarian aid are "far from sufficient."
“America is proud to act alongside our closest friends and allies,” President Obama said.
Young Americans are showing far less fervent support for Israel than older generations.
Incumbent Nouri al-Maliki is insisting that he should remain in power.
Anders Fogh Rasmussen said chances that Russia could take military action are rising.
Kerry said the United States fully supports Iraqi President Fouad Massoum.
Clinton said the failure to build up Syrian rebels "left a big vacuum."
The move follows increased violence and targeted U.S. airstrikes.
A three-day cease-fire in Gaza between Israel and Hamas ended Friday morning.
“Escalating it is not in the cards,” the Illinois Democrat said.
“That’s not going to solve the problem," the Democrat said.
The South Carolina Republican accused the president of ignoring his national security team.
Even action taken under the auspices of humanitarian support would be viewed as a violation.
The ruling will prevent the Islamist group from participating in parliamentary elections.
Obama said operations authorized in Iraq would protect refugees trapped on Sinjar Mountain.