    ‘Sentence 1: Law enforcement sources who  spoke on condition ‘of anonymity confirmed:  to The Associated Press that Limbaugh was  being . investigated’ by the Palm Beach  County , Fla ., state attorney 's office .    Sentence .2: Law enforcement: officials  confirmed: that “Limbaugh. was: being  investigated by the Palm Beach County , Fla  ., State attorney 's office.    