Armed servicemen wait in Russian army vehicles outside a Ukranian border guard post in the Crimean town of Balaclava.
Secretary of State John Kerry:
U.S. Secretary of State John Kerry on Sunday condemned Russia's "incredible act of aggression" in Ukraine and threatened economic sanctions by the United States and allies to isolate Moscow, but called for a peaceful resolution to the crisis.
"You just don't in the 21st century behave in 19th century fashion by invading another country on completely trumped up pre-text," Kerry told the CBS program "Face the Nation."
Iraq was in the 21st century. Sen. John Kerry voted for it.
Nice moral authority you have there, John.