New York Times: Former Vice President Al Gore and a nonprofit climate group have begun what they say will be a three-year $300 million advertising blitz to recruit 10 million advocates to seek laws and policies that can cut greenhouse gases. The campaign was introduced in a "60 Minutes" appearance by Mr. Gore on Sunday. The first ad, posted online at wecansolveit.org , compares the challenge of fighting global warming to the invasion of Normandy and the civil rights movement. That …