political group. michael isikoff has been taking a closer look. what do we know about this guy? >> well, he's one of those giant political donors who are well known to political elites even though they are hardly known at all to the american public. he runs a gambling empire. he's the driving force behind a group called the republican jewish coalition which regularly takes republican presidential candidates to israel. he owns the largest newspaper in israel. and he's newt gingrich's financial angel. he has been backing him politically and financially for years and while gingrich has got a lot of problems going into this presidential race, particularly continued questions about his personal problems over the years, he's got one big