(CBS) CHICAGO Last year, there were reports of serious bed bug infestations in dozens of states. Now, a Chicago woman is suing a hotel for $20 million after waking up one morning with more than 500 bed bug bites. "My body felt as if it was on fire. I just wanted to tear it off,” Leslie Fox said. Leslie Fox, a 54-year-old bookings agent, says that after four nights at the 700-room Nevele Hotel in Ellenville, New York last July, she awoke to find red, itchy welts all over her body. "I had no idea what was happening to me....