Kentucky native Diane Sawyer is leaving the anchor's desk on ABC's "World News," the network announced Wednesday.In her new role for the network, Sawyer will lead a team that focuses "original reporting, big idea and interviews," ABC News President James Goldston said in astory Wednesday announcing the change.Sawyer begins the new job on Sept. 2. David Muir will replace her as the "World News" anchor and managing editor, according to ABC News. George Stephanopoulos will become "lead anchor" during breaking and special news coverage.Sawyer became the "World News" anchor in 2009. She was born in Glasgow, Kentucky, and spent most of her youth in Louisville. Her father, E.P. "Tom" Sawyer,was the Jefferson County judge-executive.Goldston said further: