President Barack Obama shakes hands with Delaware Attorney General Beau Biden, left, next to Biden's wife Hallie Biden, far left, and Delaware Gov. Jack Markell as he arrives at New Castle Air

... more 

President Barack Obama shakes hands with Delaware Attorney General Beau Biden, left, next to Biden's wife Hallie Biden, far left, and Delaware Gov. Jack Markell as he arrives at New Castle Air National Guard Base in New Castle, Del., Thursday, July 17, 2014, en route to Wilmington where he is expected to visit the site of the damaged I-495 bridge in Wilmington to speak about transportation and infrastructure. (AP Photo/Jacquelyn Martin)

less 
1 / 29
Associated Press
Thu, Jul 17, 2014 7:05 PM EDT