Conservative talk-show host has been released on bail • Rush Limbaugh arrestedApril 28: Rush Limbaugh was arrested on prescription drug charges for painkillers. The conservative talk show host turned himself into authorities.Updated: 6:50 p.m. ET April 28, 2006WEST PALM BEACH, Fla. - Rush Limbaugh reached a settlement with prosecutors Friday in a fraud case involving prescription painkillers, though the conservative radio commentator maintains his innocence.Limbaugh turned himself in to authorities about 4 p.m. on a warrant for fraud to conceal information to obtain a prescription, the first charge in the nearly 3-year-old case, said Teri Barbera, a spokeswoman for the state attorney. He was released an hour later on $3,000 bail.Limbaugh’s attorney, Roy Black, said his client and prosecutors reached a settlement on a charge of doctor shopping.