NEW YORK (AP) — Jon Stewart is joining the board of the foundation building the Sept. 11 memorial in New York.

   The comedian and activist was to be appointed to the National September 11 Memorial & Museum board at a meeting Thursday afternoon.

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   The host of the Emmy-winning “The Daily Show” on Comedy Central recently used his show to champion a federal bill that provided billions to treat people who became ill after working in the ruins of the World Trade Center.

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   Joe Daniels, the foundation’s president, says Stewart is an important public figure and a regular New Yorker who saw the world change on Sept. 11, 2001.

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   The memorial — twin reflecting pools set above the fallen towers’ footprints — is set to open to the public by this Sept. 11.