Oklahoma City Memorial Marathon officials will be smart, but they do not want to give into fear - Article Photos 31/44

A New Jersey State Police helicopter flies by the construction site of One World Trade Center in Manhattan seen from The Heights neighborhood of Jersey City, N.J., Monday, April 15, 2013. New York is securing its city in the wake of explosions near the finish line at the Boston Marathon. (AP Photo/Julio Cortez) ORG XMIT: NJJC105