The effort to land a baseball team in Portland is swinging for the fences

But will it be a home run? The Portland Diamond Project has so far struck out on its years-long efforts to bring Major League Baseball to Portland. But now they’ve got a new site on the South Waterfront, fresh energy from city leaders and a pitch to the Oregon Legislature, not to mention swoon-y renderings of a new stadium along the Willamette. Sports columnist Bill Oram and ECONorthwest economist…