Conservative talk show radio pioneer Rush Limbaugh, whose work influenced a generation of American politics, has reportedly died at the age of 70, succumbing to advanced lung cancer. Born with a booming voice and given a name made for showbiz, Rush Hudson Limbaugh III made his mark on America. He made his conservative case on the radio daily, boasting a broad vocabulary and command of the English language which he often used like a surgeon uses a scalpel. "They're tearing down the wall at the U.S. border and building a wall around the United States Capitol. Have you heard that?"...