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May 1: In-depth interviews with this week's newsmakers

This Sunday at 7pm/6c, tune in to in-depth interviews between this week's newsmakers and our NBC correspondents.

Tom Brokaw reports from the White House as he sits down with First Lady Michelle Obama and Dr. Jill Biden, wife of the Vice President, to discuss their new campaign. Joining Forces raises awareness of members of the armed forces and their families, sending a message that "no matter how you feel about America's wars, Americans have to do better for those who fight - and for their families."

Brian Williams goes inside Congresswoman Gabrielle Gifford's office to talk with her staff about how they're coping with the tragic incident that left Gifford in rehabilitation. Working hard to regain function in her right side, she's able to speak in short, simple phrases and is expected to attend the blast-off of space shuttle Endeavour on Friday.

An exclusive interview, Matt Lauer sits down with Steven Tyler. Candidly and emotionally, Tyler opens up to Lauer about his triumphant year. With a new book out and his role on "American Idol," he talks about recovery, a new album and upcoming tour with Aerosmith.

Josh Mankiewicz sits down with the stars of Universal Studios upcoming comedy, Bridesmaids. From the people who brought us Knocked Up and 40-Year-Old Virgin, Mankiewicz provides viewers with a sneak peak before the film hits theaters on May 13.