Billionaire casino boss Sheldon Adelson splashes the cash in bid to help Trump

The casino billionaire and ardent Israel backer Sheldon Adelson is expected to have written about $250m in checks to back Donald Trump, Republican Senate and House members and conservative causes, say two GOP fundraising sources familiar with the mega-donor’s spending plans. Adelson and his wife Miriam, an Israeli-born physician, have already spent a single election record sum of $183m through 14 October, according to the non-partisan Center for…