WASHINGTON (AP) -- Billionaire casino executive Sheldon Adelson is already at work on behalf of presumptive Republican presidential nominee Donald Trump. “I’m asking for your support” for ...

LAS VEGAS — Sheldon Adelson, a casino magnate who became one of the world's wealthiest men and one of the Republican Party's most important donors, has died, according to his wife, Miriam, and ...

Politico reported that Miriam Adelson was the top female donor in the 2012 election — when incumbent president Barack Obama faced Republican candidate Mitt Romney — giving around $46 million to ...