By BILL GRAVELAND The Canadian PressCALGARY — An official with the U.S. Chamber of Commerce says Hollywood actors who are speaking out against Alberta’s oilsands and a controversial pipeline are more interested in rebuilding their careers than protecting the environment.TransCanada Corp.’s Keystone XL line has become a lightning rod for the American environmental movement since climate-change legislation once passionately promoted by the Obama administration failed.Daryl Hannah and Canadian actress Margot Kidder were arrested in Washington, D.C., last month in a protest against the $7-billion pipeline, which would ship oilsands crude from Alberta to refineries on the U.S. Gulf Coast."I think it’s people that are probably looking for some way to get back into the newspapers since they haven’t been able to do it through their own careers," said Karen Harbert, president of the U.S. chamber’s Institute for 21st Century Energy.Read more here.