<p>An attorney for Rush Limbaugh charged Monday that the conservative talk show host was being blackmailed by the Florida couple whose allegations triggered an ongoing investigation into his purchases of painkillers.</p>
<p>During a hearing over whether prosecutors should have access to Limbaugh's medical records, attorney Roy Black said Limbaugh paid "extreme amounts of money" to Wilma Cline, his former housekeeper, and her husband, first for pills and then for extortion. Black alleged that the Clines had threatened to go public with information about Limbaugh's drug use unless they received $4 million.</p>