Defense Secretary William Cohen has recommended the president nominate Army Under Secretary Bernard Rostker to replace outgoing Under Secretary of Defense for Personnel and Readiness Rudy de Leon, the Pentagon announced today. De Leon has been nominated to become deputy defense secretary, a post being vacated by John Hamre, who is resigning and taking over the Center for Strategic and International Studies. Rostker has been under secretary of the Army since Oct. 26, 1998. From 1994 through 1998, Rostker was...