Andrew Young, former aide to John Edwards, appeared on "Good Morning America" on Monday and continued to detail the cover-up of Edwards' affair with ex-mistress Rielle Hunter. Young talked to "GMA" correspondent George Stephanopoulos and explained their reasoning for not coming clean about Edwards' love child from the beginning. He gave four reasons for not telling the truth including Elizabeth Edwards' health condition and her battle with cancer. "John made it very clear that she was going to d...