The Mountain West has become basketball-bonkers and hardwood lunacy. It’s like a stock market arrow swinging wildly from a chandelier at a bachelor party. Big up. Cratering down. Rise. Fall. Intoxicating profit. Balance sheet-crushing loss. The Aztecs were on the verge of suffering one of those knee-wobbling losses, the kind at this point in the season would drive a dagger into conference title hopes. Then they decided to pulverize Colorado State into dust Tuesday with a second half for the ages at Viejas Arena, a 20-minute bashing so dominant, so improbable that it was hard to process what ey…