Conservative radio host Mark Levin announced on Monday that he suffered a major injury and will likely require surgery. Levin said he fell over the weekend and tore his quadricep, a group of muscles at the front of the thighs, and his right knee. The injury will likely require him to be in surgery before he returns on-air. “Unfortunately, I had a very bad fall this weekend and tore my quadricep between my right knee and thigh,” Levin said. “I’ll likely be in surgery in the next day or two. I’ll be back on air as soon as I can. God bless.” Levin hosts “Life, Liberty & Levin” every Saturday and …