Philadelphia's track record may give it an early edge over four other cities in its bid to hold the 2016 Democratic National Convention.
The city has hosted the political gathering before and has the added bonus that possible contenders Hillary Rodham Clinton and Vice President Joe Biden have family ties to the state.
The original U.S. capital, Philadelphia touts its historical significance. It has hosted the presidential nominating convention seven times since 1856, most recently the Republican one in 2000.
DNC members will be in Philadelphia this week to review the potential venues, hotels and transportation options for the estimated 50,000 visitors for the convention.
Also vying for the 2016 convention are Birmingham, Alabama; New York City's Brooklyn borough; Columbus, Ohio; and Phoenix.
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