The multimillion-dollar contract to turn Maryland's travel plazas on Interstate 95 over to an out-of-state company is being challenged by a Bethesda-based firm that says the bidding process favored the eventual winner. HMSHost has filed a protest with the Maryland Transportation Authority, saying that bid specifications to replace the Maryland House and Chesapeake House were too vague and that Areas USA, a Florida company, was the only bidder allowed to sweeten its offer. "This is like a kick in the gut and we're trying to get our breath back," said Michael Jones, the HMSHost vice president who put the bid...