Sam Champion just had emergency heart surgery! Over the weekend, the Good Morning America weatherman took to Instagram to announce he had been hospitalized in an emergency situation for a heart condition. Alongside a photo of him waving to the camera from his hospital bed, he wrote: "Thank you Dr. Stam Lerakis and Dr. Sharma and the WONDERFUL team of nurses at @mountsinaimedicalcenter Fuster Heart Hospital ! Many of you know I had a nuclear stress test last Thursday.