Spent over an hour trying to change the pads on the front passenger wheel. No dice. Spent about 30 minutes trying get the old pads back in. I still am at a loss as to why I couldn't get the pads to stay in place.

Apologies to Tracie for not recognizing that the process was going to be significantly more difficult than it was for the sport brakes. Not including removing the wheel, it took me about 15 minutes to replace pads on my sport brakes on both sides of the car. I didn't even have to remove the calipers....