FILE - In this Jan. 3, 2008, file photo then-Democratic presidential hopeful, Sen. Joe Biden, D-Del., talks to supporters during a rally in Dubuque, Iowa, on the day of the Iowa caucus. Biden is ... more 
FILE - In this Jan. 3, 2008, file photo then-Democratic presidential hopeful, Sen. Joe Biden, D-Del., talks to supporters during a rally in Dubuque, Iowa, on the day of the Iowa caucus. Biden is heading to Iowa Sunday, Sept. 15, 2013, straight into the belly of Democratic anti-war opposition, the first steps by the vice president or the president outside Washington or the diplomatic bubble since President Barack Obama endorsed a possible military strike on Syria. There Biden is scheduled to headline a fundraiser for Democratic Sen. Tom Harkin, an annual steak picnic for the senator who is popular with anti-war Democrats. (AP Photo/Mark Hirsch, File) less 
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Associated Press | Photo By Mark Hirsch, File
Sat, Sep 14, 2013 2:38 PM EDT