Well, it shouldn't be surprising. Consider the last candidate Reg Alcock was reportedly urging to run for Liberal leadership:
Don't go holding your breath. True to form, the Liberals don't appear to have anyone from that half of the country who is seriously interested in the job. What's more, the Liberals who fancy themselves as the one true national party don't appear concerned about the spectre of yet another leadership contest without a westerner on the ballot.
Oh sure, Reg Alcock was trying to persuade David Emerson to run for the job when he was still a Liberal.