The last of the 14 Lewis and Clark-class cargo ships that General Dynamics NASSCO is building in San Diego will be named after Cesar Chavez, the late civil rights and labor leader. Secretary of the Navy Ray Mabus will visit NASSCO on Tuesday afternoon to make the formal announcement. Some members of the Chavez family are expected to be in attendance, says NASSCO, which recently laid the keel of the ship. "We suggested the name Cesar Chavez for the ship because we're in Barrio Logan and want to be good neighbors, and we want to show respect for our workers,"...