The GOP nominee is expected to raise $15 million on fundraising stops in Texas's four largest cities this week.
The Dallas-based billionaire is investing in Planetary Resources, a company that aims to begin mining asteroids for valuable metals by 2020.
Karl Rove's Super PAC netted $30.5 million—more than half of its total donations—from three Texan titans.
If you build it, will they come dump their nuclear waste? Not necessarily, as Dallas billionaire Harold Simmons is learning.
The press shy billionaire calls Karl Rove his "personal political muse" and reveals why he's bent on defeating President Barack Obama.