BOSTON—A private equity firm founder and onetime insurance executive who referred “Full House” star Lori Loughlin and her husband to the mastermind behind the U.S. college admissions scandal was sentenced on Thursday to two months in prison and fined $250,000 for his role in the scheme. Mark Hauser, 60, was sentenced by U.S. District Judge Douglas Woodlock in Boston after pleading guilty in August to participating in the vast college admissions fraud scheme by paying $40,000 to rig his daughter’s ACT college entrance exam. Hauser broke into tears as he apologized for his “serious mistake” and crimes that he said he engaged in to help a daughter who had faced “never-ending medical challenges.” “I was not trying to establish prestige for myself or my daughter,” he said. “My only concern was to help her catch her breath.” Hauser’s lawyers argued for probation. But Woodlock said Hauser deserved prison and the …