The movie “21,” which opened last weekend as the No. 1 box office draw in the nation, is a glossy action-adventure movie that adds sex, violence, and some theatrical high living to the plot of the book on which it is based. But readers of the book, the 2002 nonfiction bestseller “Bringing Down the House,” might wonder why any embellishment was necessary.

Since the beginning of his gubernatorial campaign, Deval Patrick has made clean energy a pet issue. He was the first major candidate to come out in support of the controversial Cape Wind project in Nantucket Sound. And as governor, he has pledged to make Massachusetts "the renewable energy center of the world."