Bill Gates and Warren Buffett still top the list, but competition is closing in. Mexico's Carlos Slim Helú is leading the race to the top, but there've been some interesting developments in Europe too.
Controversy surrounding Diebold has left its e-voting machines under a cloud of suspicion, but the company is doing quite nicely. Electronic voting is just a small sideline business for Diebold — and one it stumbled onto at that.
The Broad Institute will receive $100 million — the biggest award ever given for psychiatric disease research — to analyze thousands of genetic samples from people with schizophrenia and bipolar disorder.
Uruguay is next on the President's tour of Latin America. Bush will push for deeper trade ties with the tiny nation that's threatening to pull away from Brazil and Argentina in a show of diplomatic muscle.