Can more US weapons stop Putin?

The Russian leader Vladimir Putin seems more confident, as his forces are making gains in Ukraine’s east. New weapons from the United States are starting to reach the front lines, raising Ukrainian hopes of repelling the invading forces.  Today, Rajan Menon from the Washington based think tank Defense Priorities, on when the war might end.  Featured:  Rajan Menon, director of the Grand Strategy program at Defense Priorities