WOULD YOU LIKE to hear some good news? After decades of sordid mismanagement and cyclical bankruptcy, the great Indian Motorcycle brand has been reborn in the American heartland (Spirit Lake, Iowa) with alluring retro-modern cruisers powered by beautiful/vulgar 111-inch V-twin engines. Imagine the velvety crumple and flap coming from the streamlined Deco exhaust pipes, the chirr of pushrod tappets ricocheting off canyon walls, the snapping pennants at full throttle. Get a load of this thing coming around a corner. You got a permit for this event?

The...