Ok, today I was fighting rush hour like everyone else on my way to Dulles Airport—about an hour’s drive on a normal morning but today it would be an extra 20 minutes according to my GPS.  No biggie—I had planned accordingly, so I thought, until my GPS told me to take the express tolls lane that had a whopping $18 cost flashing.  It was either $18 to drive about 10 miles or all the hassle that comes with missing a flight, trying to rebook, go standby and avoid the numerous fees common to the airlines these days.  The decision was simple—a little painful