Palin fans line up early to meet potential 2012 candidate

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PHOENIX -- Former Alaska Gov. Sarah Palin is in town to kicks off a national tour for her new book, "America by Heart."

Javier Soto spent the morning at at Barnes & Noble at Desert Ridge in North Phoenix, where people started lining up as early at 1 a.m. for the chance to meet Palin and possibly get an autograph.

There's some speculation that this tour could be a lead up for a run for the White House in 2012.

Palin will be at the Barnes & Noble at 6 p.m. If you want an autographed copy of the book, you will have to present an original Barnes & Noble receipt.