 Complete the following phrase:  On April 5, 1982, Brokaw began co-anchoring NBC Nightly News from New York with Roger Mudd in Washington, succeeding John Chancellor. After a year, NBC News president Reuven Frank concluded that the dual-anchor program was not working and selected Brokaw to be sole anchor. The NBC Nightly News with Tom Brokaw commenced on September 5, 1983. Among other news items, he covered the 