Walters, Brokaw bid farewell to Katie May 25: Former "Today" show host Barbara Walters and NBC's Tom Brokaw send their best wishes to "Today" show host Katie Couric.
Clooney, Giuliani, Stewart say goodbye May 17: The actor, former New York City Mayor Rudy Giuliani, and "The Daily Show" host Jon Stewart say farewell to "Today" host Katie Couric.
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Could Miss Piggy be the new co-host? May 16, 2006: Al Gore, Harry Connick Jr., Kermit the Frog and Miss Piggy say their goodbyes and send their best wishes to "Today" show host Katie Couric.
Powell, Russert, Fanning wish Katie well May 15: Former Secretary of State Powell, child actress Dakota Fanning, and NBC's "Meet the Press" host Tim Russert say goodbye to "Today" host Katie Couric.
'Are we on?' May 24: Relive some of Katie's silly moments over the past 15 years.
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Remembering Katie's visit with Mr. Rogers May 23: "Today" host Katie Couric interviews Mr. Rogers over the years, and talks with Elmo and other characters from "Sesame Street."
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Katie tours the Reagan Library with Nancy May 22: In Sept. 1998, Nancy Reagan gave Katie a tour of the Ronald Reagan Presidential Library and Museum in California and discussed President Reagan's health.
Speaking with Columbine victims' families May 18: Katie talks with Michael Shoals, who lost his son Isaiah, and Craig Scott, who lost his sister Rachel, during the Columbine school shooting.
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In flight as Peter Pan and more... May 17: "Today" revisits some of Katie's more memorable stunts, including her Peter Pan flight over the Plaza.