Image: YOUTUBE/JIMMY KIMMEL LIVE Months after revealing his newborn son’s diagnosis with a serious heart condition, Jimmy Kimmel says that little Billy is “doing great.” The Jimmy Kimmel Live host shared an extremely cute photo (that smile!) of the 3-month-old baby on Friday. He also encouraged fans to call their representatives and senators a particularly urgent request as Republicans continue to blather on about repealing the Affordable Care Act. SEE ALSO: Jimmy Kimmel had a serious chat with some kids about the GOP health care bill “Thx for the love & support,” Kimmel tweeted. “Please remind your Congresspeople that every […]