Rush Limbaugh, the monumentally influential media icon who transformed talk radio and politics in his decades behind the microphone, helping shape the modern-day Republican Party, died Wednesday morning at the age of 70 after a battle with lung cancer, his family announced. Limbaugh's wife, Kathryn, made the announcement on his radio show. "Losing a loved one is terribly difficult, even more so when that loved one is larger than life," she said. "Rush will forever be the greatest of all time."