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Former Mayor Ed Koch returned home Sunday after spending six weeks in the hospital, where he had a heart valve replaced and his gallbladder removed. And while his medical troubles have left him weak and looking a bit gaunt, he says he can now eat whatever he wants (Peking duck, ice cream), and is planning to return to his various media-related gigs (Bloomberg Radio, NY1) shortly. But it's especially nice that his tendency to speak his mind was not affected by his recent illnesses. On the subject of those elected officials in New Jersey who were implicated in that big corruption scandal last week: "I hope that those who are found guilty are hung by the thumb." Welcome home, Mr. Mayor. [NYDN]