It's Always Sunny in Philadelphia: Charlie & Mac Sing The Song From …

On last night's episode of It's Always Sunny in Philadephia » 10/31/08 11:00am 10/31/08 11:00am, Dee had a heart attack, which prompted the gang to come to grips with the fact that none of them have health insurance. Charlie and Mac decided to get side jobs for the benefits, and ended up working in a mail room. Mac decided that he was going to move up…