WGBH News' Emily Rooney (@EmilyRooneyWGBH) talks Catherine Greig's return to court. 

Former BU Hockey Player Travis Roy discusses what he's doing to help others with spinal cord injuries, twenty years after his accident. 

MIT Security Studies' James Walsh (@DrJimWalshMIT) talks Iran.

WGBH's Stephanie Leydon(@stephanieleydon) takes us inside a Massachusetts jail, to meet an unlikely inmate.