Are sanctions enough to deter Putin pushing across Ukrainian border?

Months after Russia annexed Crimea and stepped up support for separatists in eastern Ukraine, Europe and the United States are still searching for a way to persuade Russian President Vladimir Putin to change course.

By , Associated Press , Associated Press

Dmitry Lovetsky/AP

Months after Russia annexed Crimea and stepped up support for separatists in eastern Ukraine, Europe and the United States are still searching for a way to persuade Russian President Vladimir Putin to change course.