Those shows get in a week about what Limbaugh and Hannity get daily. The clown who wrote this article is either unable to quote stats. correctly or deliberately lying.
I did think it was good of the writer to actually acknowledge that good old NPR, your taxpayer-funded radio outlet, is in fact "liberal/progressive", and NOT at all "mainstream/centrist" as so often claimed. Keep talking - we'll get it de-funded one of these days, hahaha!