Lori MidsonThe construction zone at Lobby American GrillOne of the loveliest patios in downtown Denver is finally being resurrected. Since February 15, the day Buenos Aires Grill served its last dinner at 2191 Arapahoe Street, that patio has been off limits, but now that the crew from the Whiskey Bar has snapped up the space, we'll soon be able to kick back amid the leafy trees and blooms and soak up the sun. By the third or fourth week in September, Whiskey Bar boys Corey Sylvester, Co