Kerry says decision to send in special forces is strictly to fight Islamic State.
Diplomatic efforts to try to end a surge in violence in Israel resumed in Jordan.
Kerry is meeting Israeli and Palestinian leaders this week in a bid to ease tensions.
Only 14 percent of Russians support their military's involvement in Syria.
The Palestinians' unrest has been stirred in part by anger over what they see as increased Jewish encroachment on the mosque compound.
Russia maintains its airstrikes are targeting ISIS locations.
The Syrian opposition says airstrikes in Homs killed 36 civilians.
Kerry did not say how many of the additional refugees would be from Syria.
Kerry said the Obama administration hopes talks between Russia and the U.S. will take place soon.
Kerry said the United States wanted to find "a diplomatic way forward."
Will Iran's engagement with the West undermine the power of the mullahs? Think Soviet Union.
The U.S. is the largest contributor to the IAEA and funds around a quarter of its annual budget.
An agreement would be the most significant expansion of toursim between the two countries in more than 50 years.
The historic moment came after more than five decades of hostility.
Has Cuba been buying arms to pass on the Colombian terrorist group FARC?
Americans have not maintained an embassy in Havana since January 1961.
Congress has until September 17 to approve or reject the agreement with Tehran.
Is the secretary of state in line for a Nobel Peace Prize? Or did he doom the Middle East to an even more chaotic future?
Yalta handed Eastern Europe over to Moscow; President Obama and Secretary Kerry have given the Middle East to Tehran.
At Wednesday's hearing Senators contemplated war and accused administration officials of capitulating.
Obama administration officials argued that the new agreement is not about "trusting" Iran.
Secretary of State John Kerry will travel to Cuba on August 14 to raise the American flag in Havana.
For the first time in 54 years, the Cuban flag flew in Washington, D.C., on Monday morning.
Diplomats have until Monday to reach an agreement, their third extension in two weeks.
"We're here because we believe we are making real progress," Kerry said.