Maybe the guy who you didn't let pass had an emergency? Whenever someone comes fast behind me, I switch lanes and let them pass. Maybe you lack this ability to actually look beyond the situation directly in front of you.
What farm town are you from? Cab/limo drivers are the worst!!! This guy was in a Lincoln Town Car, with a private limo service number on it...there's one of the top 5 airports in the US within a mile and the Lincoln is headed for it. Considering that I drive that road 3x a day, and every time I'm on it (day or night), there is at least 5 cabs and/or limos on it jockeying for position and driving unsafely.
Usually, if someone is pulling up behind me, I'll pull over and let them pass too. I prefer to get up to one speed (80mph out here is just enough to pass cars at a moderate pass, yet not so fast you are being reckless) and stay in one lane.
I'm not denying being an asshole here...but when you see cabs, limos and their drivers being flat out pious and consistently driving like assholes, you get tired of it.
There is reading, and there is comprehension. Apparently your username is extremely apt when it comes to this phenomenon of comprehension.