Nobody doubts his entrepreneurial drive, but some question his methods.

ECONOMIST: Chile's presidential election

There are still big doubts about CETP, and the new results add another burning question: could CETP inhibitors affect the immune system?

FORBES: The Secrets Of Pfizer's Toxic Pill

"The question of taxes comes up very often but still we have doubts if it is the best way to react in these cases, " she told Reuters.

BBC: Nicolas Sarkozy