Lamar Advertising, a major campaign benefactor, will not run billboards critical of state legislators. Executives at a major outdoor advertising company refusing to run billboard ads criticizing state legislative leaders for voting themselves 16- to 34-percent raises, have been a steady source of campaign donations for some of those same lawmakers. Officials at Lamar Advertising Co., which rejected the critical billboard ads proposed by the Young Conservatives of Pennsylvania, have given nearly $30,000 during the past five years to Pennsylvania candidates and political action committees, according to campaign finance records. Two of Lamar’s top executives, based at the company headquarters...