well, i think defranco wrote the program with raw lifters in mind. Westside is designed for geared(material not drug) lifters. very strong triceps are needed to lock out the weight with a bench shirt, but power off of the chest becomes a much larger issue when you lack the pop granted by a bench shirt.
don't examine, do them. at least in my opinion. i followed the WS beginners template for 9 weeks, and with all of the extensions, the only benefit i got was a pair of elbows so fucked i cant even do french presses and the like with more than 20 lbs. what i have been doing (well at least did before i started cutting) and had worked fairly well was....
-whatever up to 1RM
-DB bench or 1board 5x3-5,i just picked a weight i could get for a very hard 5 on the first set, and let the reps drop off
-horizontal row, 4-6 sets
-DB bench 5x5, same as above
-horizontal/vertical row, 3-4 sets of each
-1-2board, 3-4 sets x 6-10 reps