Vice President Joe Biden and his wife Jill Biden attend a memorial service commemorating the ninth anniversary of the Sept. 11 terrorist attacks on the World Trade Center Saturday, Sept. 11, 2010 in New York.
From left, New York Gov. David Paterson, Vice President Joe Biden, his wife Jill Biden, New York Mayor Michael Bloomberg and New Jersey Gov. Chris Christie drop flowers into a reflecting pool at a memorial service commemorating the ninth anniversary of the Sept. 11, 2001 terrorist attacks Saturday, Sept. 11, 2010 in New York.
Vice President Joe Biden comforts a family member of the victims of 9/11 who are gathered around the Ground Zero reflecting pool, the site where the twin towers once stood, on the ninth anniversary of the attacks on the World Trade Center, in New York City September 11, 2010. The ninth anniversary of the September 11, 2001 attacks on the United States looked set to be overshadowed by religious tensions amid a controversial plan to build a mosque at New York's ground zero site and a Florida Christian preacher's on-again, off-again intention to burn Korans.
Vice President Joe Biden meets with a woman who lost a family member in the Sept. 11 terrorist attacks on the World Trade Center during a ceremony commemorating the ninth anniversary of the attacks Saturday, Sept. 11, 2010 in New York.
Vice President Joe Biden walks towards a reflecting pool with New Jersey Gov. Chris Christie, left, New York Mayor Michael Bloomberg, second left, Jill Biden, second right, and New York Gov. David Paterson, right, during a memorial service commemorating the ninth anniversary of the Sept. 11 terrorist attacks on the World Trade Center Saturday, Sept. 11, 2010 in New York.