FORT WALTON BEACH, Fla. -- Former U.S. Rep. Joe Scarborough made his debut as anchor of a national cable news show about the United States' showdown with Iraq and is expected to stay in the role indefinitely. Scarborough, a Pensacola Republican who retired in September 2001, flew to MSNBC's New Jersey headquarters Tuesday to anchor the show. Alan Winnikoff, MSNBC's vice president of corporate communications, said the show will be called MSNBC Reports beginning Wednesday and will be aired at 10 p.m. EST.