Boston Marathon bombing victim marries nurse who helped him recover

Visit NBCNews.com for breaking news, world news, and news about the economy Out of the worst moment of his life came the best. James Costello, a victim of the Boston Marathon bombings in April 2013, married a nurse who helped him recover after several surgeries for burns and shrapnel. Costello, in a "Today" interview with fiancee Krista D'Agostino last fall, joked then: "One thing that she hates that I always say is I'm actually glad I got blown up. I wish everyone else didn't have to, but I don...