When good commutes go bad!
My commute to work went about 1/2 mi before I caught a flat. I quickly pulled over to the side to assess things..."hmm, no time for finding holes, I'll use the spare tube". Within minutes I had the spare tube installed, so I reached for the mini-pump I got for XMAS. WTF! "I can't engage the fr!gg!n thing"..."how do I attach this thing, it's suppose to be Presta and Schrader". After 5 min of screwing with the pump, I decided to walk back home and change pumps or get the cage.
As luck would have it, once I got home and played with mini-pump some more, I found that I had to press down on the head (hard), twist and pull it off where beneath it was the rubber gasket I had to flip to fit Presta

. So, I went to put air in the tire using my floor pump since I was home and the stem screw popped off

. I guess I damaged it trying to use the Schrader attachment, but I really wasn't pressing that hard. Inevitably I changed clothes, took the cage and arrived an hour late.
What I've Learned:
1) Try new stuff before hitting the road
2) Keep a Schrader to Presta adapter handy ( I passed a gas station

)
3) Bontrager tires (in my experience) are of questionable quality, 3 flats in 10 months (2 Bonty Selects, 1 Race X Lite)