William L. Nash is a retired major general in the U.S. Army who commanded the 1st Armored Division when it went to Bosnia in 1995 as the bulk of Multi-National Division (North) for a year as part of the Implementation Force (IFOR). A Russian brigade, initially under the command of Colonel Aleksandr Ivanovich Lentsov, was part of that effort. General Nash is a frequent contributor to ABCNEWS.