Doe Vann News Today

Sherpas threaten to strike. Boston showed its resilience today as tens of thousands of runners took part in the first marathon since last years bombings. And an american won, the first time in 36 years. More than 35,000 runners registered. National guard members and Police Watched over the crowds. John terret is live with us. John describe the atmosphere for this years race. Well, as you might very well imagine it changed as the day went on. Because i think things were a little bit pe pensive to...