Bob Edwards, the award-winning broadcaster whose voice has been associated with NPR's Morning Edition since the show's beginning in 1979, is leaving the morning news program effective April 30. The 30-year NPR veteran will take on a new assignment as senior correspondent for NPR News

Scholars dismiss the Russian leader's claims as a "mythical use of history." For one: Ukraine overwhelmingly elected a Jewish president, and has a relatively small right-wing movement.

The rebel-controlled territories, which comprise a larger eastern Ukraine region called Donbas that borders Russia, have been led by pro-Russia separatists for nearly a decade.