The wealth being harvested around Minnesota these days is filling tables with summer riches. It is peak season for all kinds of delicious items from the garden. At the top of the list, inside a plain green husk, with golden yellow nuggets of pleasure inside is one vegetable above all others - sweet corn. Minnesota Public Radio's Dan Olson reports. audio . . . Sierra Madre music audio . . . (Bogey)Why not try gold diggin' for a change? It ain't any riskier than waitin' around here for a break. And this is the country where the nuggets of gold are just cryin' for ya to dig 'em outta the ground....