Surviving as an entrepreneur wasn't enough for Brendan Synnott, co-founder of granola maker Bear Naked. Synnott, who sold his company for a reported $60 million in 2007, was expected to appear as a contestant on the CBS reality show Survivor this February. "Why not have one more wild and crazy experience," he says....Longtime Rolling Stones keyboardist Chuck Leavell has a new gig. An environmentalist and tree farmer, Leavell has teamed with Joel Babbit, co-founder of former Inc. 500 marketing firm 360, to launch Mother Nature Network (mnn.com), an online environmental news portal. Says Leavell: "For the first time in 56 years, I have a real office."...The rotten economy hasn't disrupted JetBlue founder David Neeleman or his new Brazilian airline, Azul, which took to the skies in mid-December, a few weeks ahead of schedule. "In Brazil, there's a feeling of a new day dawning," Neeleman says....Fizzy Lizzy founder Liz Morrill is protesting New York Governor David Paterson's proposal to levy an 18 percent "obesity tax" on some fruit drinks and soft drinks, including her company's juice and seltzer blends. "Rather than being supported for trying to offer a healthier alternative to sugary carbonated beverages," Morrill says, "we could be victims of a broad and arbitrary sweep."...Who knew? Lucrezia Borgia, the 16th-century Italian duchess and illegitimate daughter of Pope Alexander VI, has long been portrayed as a murderous femme fatale. But she was also an entrepreneur who developed swampland for cultivation, according to recent research by USC historian Diane Yvonne Ghirardo. "In the Renaissance, business has exclusively been understood as a male world," Ghirardo says. "Now we know otherwise."