Brian Williams expands his role at NBC by adding host of the network's new hourlong prime-time newsmagazine to his current job of anchoring the nightly news broadcast. Episodes are built around timely stories that have captured the world's attention and offer an in-depth look at people and events at the forefront of the public's consciousness. Williams heads a team of correspondents that boasts some of journalism's most respected names, including Ted Koppel, Meredith Vieira and Harry Smith.