After efforts to save a crumbling historic building in Des Moines' HighlandOakDSM business district failed, a neighborhood revitalization organization wants to demolish the structure to make way for an apartment building that includes affordable housing and retail space. InvestDSM last month acquired the century-old Tudor-style building that sits prominently on the southwest corner of Sixth and Euclid avenues. The historic neighborhood has undergone a renaissance over the last several years, in part because Invest DSM, a nonprofit collaboration between Des Moines and Polk County, has targeted some of its neighborhood revitalization work there. "We are hoping that we can bring something that ... really better serves the community now going forward into the long term," said Amber Lynch, Invest DSM executive director. "Something that is exciting and offers spaces that don't exist in the area today. And that as we do that, any new development would compliment the character of the area an...