Mitt Romney meets with billionaire Sheldon Adelson in Las Vegas . Washington ( CNN ) -- Hide Caption 6 of 21 Photos: Adelson and wife gave as much as $ 20 million to a pro-Newt Gingrich super PAC .
Mitt Romney meets with billionaire Sheldon Adelson in Las Vegas . Hide Caption 6 of 21 Photos: Adelson and wife gave as much as $ 20 million to a pro-Newt Gingrich super PAC .