Senate Foreign Relations Cmte Chair Robert Menendez on what he says is 'clearly an invasion' of Ukraine by Russia.
House Minority Leader Nancy Pelosi: Putin's actions result from insecurity about Russia's "diminished role in the world."
White House Deputy National Security Adviser Ben Rhodes on U.S. plans to help Ukraine and stiffer sanctions against Russia.
Homeland Security chair Rep. Michael McCaul (R-TX) thinks President Obama needs to put more pressure on Vladimir Putin.
Senate Intelligence Chair Dianne Feinstein demands Putin "man up" and take responsibility for Russia's role in MH17 crash.
U.S. Secretary of State John Kerry says "drunken separatists" are interfering with the MH17 investigation. Kerry also demanded Russia to "step up, publicly" and join the search for the truth.
Rep. Eliot Engel and Sen. Ron Johnson on the escalating crisis in Ukraine. Are sanctions working or should we provide weapons?
Former Director of National Intelligence, John Negroponte, and Washington Post columnist David Ignatius talk to Candy Crowley about the implications of the crisis in Ukraine.
Chairman of the Senate Intelligence Committee Sen. Dianne Feinstein (D-California) tells Candy that while she has deep concerns, she has "persuasive hope" that Putin will not invade Ukraine.