Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum (C) leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum (R) poses for photos with people at an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum waves as he leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum (L) jokes with radio talk show host Heidi Harris as he leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate, former U.S. Sen. Rick Santorum poses for photos at an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate, former U.S. Sen. Rick Santorum greets people as he leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum smiles as he greets people at an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)

Santorum Hosts Primary Watch Party In Las Vegas

LAS VEGAS, NV - JANUARY 31: Republican presidential candidate and former U.S. Sen. Rick Santorum greets people as he leaves an election results party for the Florida primary at his Nevada campaign headquarters January 31, 2012 in Las Vegas, Nevada. The Nevada GOP caucus will be held on February 4. According to early results former Massachusetts Gov. Mitt Romney defeated Santorum, former Speaker of the House Newt Gingrich and U.S. Rep. Ron Paul (R-TX) to win today's Florida primary. (Photo by Ethan Miller/Getty Images)