One week later, a handful of changes to the steam lines, and we achieved boil.
Once again it pays to double-check your equipment. The kettle's thermometer read 195 degrees. An electronic thermocouple showed it to be off by 19 degrees. We technically had a boil last week, but didn't realize it.
Lessons learned, we'll be running a first batch of the Golden State Ale on Saturday. Check back then.