What will shape Poroshenko and Putin's upcoming meeting?

Aired: 8/23/2014 | 0:04:00 | Clip
On Tuesday, Ukrainian President Petro Poroshenko and Russian President Vladimir Putin will meet for the first time since June. Steve Sestanovich, a senior fellow from the Council on Foreign Relations in Washington, D.C., joins Hari Sreenivasan to provide input on what may shape that conversation.