I will say that she did at least have Bill O'Reilly on once...Ingraham played excerpts of her fawning over her other guest, Al Franken, then treating BOR a bit brusquely. To his credit BOR fought back...
If they are using an NPR host on the Simpsons as liberal Lisa’s choice in radio tastes it pretty much indicts NPR as a left wing federally funded mouthpiece.