When I get behind the wheel, I face the same quandary as many of my fellow drivers: What to listen to? I can choose from a dizzying array of choices, from SiriusXM and its Pandora division to iHeartRadio to, of course, AM/FM radio. I can plug in my iPhone and stream my favorite podcasts and playlists. And I can control it all through voice commands. Sometimes, I admit, I'll turn everything off because I just can't decide what to use. For this -- the first column in my new semi-monthly series on the audio and radio industries -- let's talk audio and cars.