“I think he wants to be back on the world stage," the House Intel chairman said.
An Obama aide said Putin can end mounting tensions over Crimea.
Kerry marked the seventh anniversary of the disappearance of Robert Levinson.
The NTSB team will be ready to help with case of missing Malaysia Airlines jet.
Obama spoke by phone with leaders Britain, France, Italy, Lithuania, Latvian and Estonia.
Many observers worry Russia has been getting the best of the United States.
<p><i>Guest Commentary</i></p><div class="guest"><p> </p></div><p>International Women’s Day is a day when the world celebrates and recognizes women for their economic, political and social achievements around the world. </p>
Boguslaw Winid warned said Russian aggression must be stopped "immediately."
OPINION | The facts leave no doubts: Russia violated fundamental norms of international law.
Some conservatives, including Senate hopefuls, rejected the popular bill.