Chief of Naval Operations Adm. Jay Johnson and Marine Corps Commandant Gen. James Jones late last week kicked off a year-long review of the service's joint amphibious warfighting doctrine. They expect to revise the doctrine to allow for more flexible command relationships, according to an internal memo Jones issued March 10. Johnson issued a similar memo the same day. The doctrine review -- which will run from April 1, 2000 to April 1, 2001 -- comes on the heels of...