iWatch News investigations of Newt Gingrich as he opens White House bid

527 group folded after former house speaker's campaign faltered

Proceeds from various ventures added up to more than $105 million

Current Republican favorite for the presidential nomination holding a grudge against '97 ethics panel, Pelosi

Casino owner, Gingrich bond over Israel security issues

Why few colleagues of the controversial ex-House speaker support for his presidential bid

Gingrich's Center for Health Transformation was power player on host of issues