Boston, Boston Strong[Posdcast]
This week in review centers on the city of Boston in the aftermath of the Boston Marathon bombings.  The attack, the social media response, the victims and the heroes and the hunt of the suspects.
Bombs: Pressure Cookers
The two bombs that ripped through the crowds at the Boston Marathon, killing three people and wounding more than 170, were fashioned out of pressure cookers and packed with shards of metal, nails and ball bearings.