Democratic presidential hopeful Sen. Barack Obama D-Ill., speaks to an overflow crowd Monday, Jan. 7, 2008 in Lebanon, N..H. (AP Photo/M. Spencer Green)
Democratic presidential hopeful and Sen. Barack Obama D-Ill., speaks to an overflow crowd at a rally, Monday, Jan. 7, 2008, in Lebanon, N.H. (AP Photo/M. Spencer Green)
Democratic presidential hopeful, Sen. Barack Obama D-Ill., works an overflow crowd at a rally, Monday, Jan. 7, 2008, in Lebanon, N.H. (AP Photo/M. Spencer Green)
Democratic presidential hopeful Sen. Barack Obama D-Ill., shakes hands in an overflow crowd outside a rally, Monday, Jan. 7, 2008, in Lebanon, N.H. (AP Photo/M. Spencer Green)
Democratic presidential hopeful Sen. Barack Obama D-Ill., arrives at a rally, Monday, Jan. 7, 2008, in Lebanon, N.H. (AP Photo/M. Spencer Green)
Democratic presidential hopeful, Sen. Barack Obama, D-Ill., acknowledges the applause of supporters at the Opera House in Lebanon, N.H., Monday Jan. 7, 2008. (AP Photo/Charles Krupa)
Democratic presidential hopeful, Sen. Barack Obama, D-Ill., flashes a double thumbs up after a campaign address at the Opera House in Lebanon, N.H., Monday Jan. 7, 2008. (AP Photo/Charles Krupa)