President Barack Obama is set to tout the U.S. economic recovery during a visit to an Ohio steel mill on Thursday even as he faces more questions about the troubled rollout of his signature healthcare law. Obama will talk about the recovery of the U.S. auto industry, the energy benefits of auto fuel-efficiency standards, and the attractiveness of the United States for foreign investment when he visits the ArcelorMittal Cleveland facility, the White House said. The company has brought back workers furloughed in 2008 during the U.S. recession and has added 150 new jobs, the White House said in a...