Financial Post: Stephen Cheeseman has cashed out 20 years of savings, left a successful career as a uranium and base metals geologist and begged his friends and family for as much money as they would invest in him. All to chase the breeze. Mr. Cheeseman is, like dozens of others in British Columbia, a wind prospector who is making it his life’s work to grab hold of the choicest mountain ridges with the stiffest gusts before anyone else does. Over the past several years, it is a play that has …