The senator was recently officially sanctioned by Vladimir Putin, drawing jealousy from his fellow politicians
"He may be entirely misreading the West," Obama said.
Here's the lowdown on RT, the network making headlines for its controversial Ukraine coverage
The former Russian TV anchor told Anderson Cooper she quit over the network's "propagandist nature"
Comedy Central host picks sides in the fight between Russian and Ukraine
Boxing champions and political activists, Vitali and Wladimir Klitschko, enlisted the true Hollywood heavyweight to back democracy in their native Ukraine
Ukraine and Switzerland also cited for lax approach to copyright protection