Discussing what Ukraine means for global markets, with CNBC's Michelle Caruso-Cabrera.
A Kremlin-backed journalist issued a warning to the U.S. about Moscow's nuclear capabilities.
CNBC's Michelle Caruso-Cabrera reports Russian broadcaster Dmitry K. Kiselyov stunned viewers on comments made about Russia's power.
CNBC's Michelle Caruso-Cabrera provides insight into the Crimeans' referendum vote to leave Ukraine and join Russia, and the current condition of the Russian market.
Dr. Leon Aron, American Enterprise Institute director of Russian studies, thinks the United States will impose sanctions on Russia in conjunction with the European Union as early as Monday morning.
Illinois senator Dick Durbin says Russian president Vladimir Putin uses natural gas as a bargaining tool in political affairs.
U.S. senator John McCain dubs the Crimea referendum a "sick joke" and says the international community is eying "tough sanctions" against Russia.
Moscow shipped more troops and armor into Crimea on Friday, showing no sign of bowing to Western demands to pull back.
"Meet the Press" moderator David Gregory discusses how sanctions and Crimea's referendum would impact Russia's economy. Gregory says the status quo is Crimea in Russia's hands.
Russian stocks hit a four and a half year low ahead of this weekend's pivotal referendum in Crimea to split off from Ukraine, NBC's Ian Williams reports the latest developments on the crisis.
Billions of Western dollars in aid to Ukraine will likely end up in the coffers of the Russian government thanks to a bond clause.
David Hauner, head of EEMEA fixed income and economics at Bank of America Merrill Lynch, says Russian president Vladimir Putin's move into the Crimea is "defensive" and he is interested in maintaining influence in Ukraine.
Vodka magnate Yuri Scheffler, visiting in New York, says he feels sorry for Ukraine. "There is only one law in Russia, and it's called 'Putin.'"
Ukraine prime minister will visit the White House as President Obama searches for a way to head off the crisis in Ukraine.
Former New York City Mayor Rudy Giuliani (R), discusses President Obama's position in the Ukraine conflict, and whether Russia President Putin cares about his economy.
CNBC's Rick Santelli and Yra Harris, Praxis Trading partner, discuss how Vladimir Putin influences the global markets and the German economy.
The Russian president's hold on the Crimean peninsula in Ukraine could pose a serious energy risk to Europe, oilman T. Boone Pickens says.
T. Boone Pickens, BP Capital founder, talks about the nation's energy boom and sounds off on Russia's attempt to profit from Ukraine's natural resources.
Art Cashin of UBS Financial Services discusses why the U.S. stock market was under pressure Monday.
CNBC's Jim Maceda reports tensions remain high between Russia and Ukraine as the conflict between the two countries intensifies. Right now it's about money, energy and Putin, says Maceda.