Randy Jackson feels Simon Cowell's pain. The star is opening up about commiserating with his former co-star over their back surgeries.Jackson recently opened up to ET's Nischelle Turner, and the pair eventually landed on the subject of Cowell's recent back injury and subsequent surgeries.«I also had spine surgery a year and a half or so ago, so it's funny both he and I are having all these back pains,» Jackson reflected.