I heard an interview with Chu on CBC radio earlier this year where he was proposing that straddle buses are a solution into Calgary's transit woes. Sure, council should explore any reasonable options but this interview was ridiculous. He came across like a young student generating random ideas for a school project rather than a city councillor in a major city.
Cant find the interview but here is a tweet from a Herald reporter:
https://twitter.com/markusoff/status/429309756692365313