Doris Christenson (from left), Lahaina Restoration Foundation Head Groundskeeper Clifford Corniel and Pam McCabe plant new grapevines under the 50-year old arbor at Baldwin Home Museum in Lahaina.

ANN ARBOR, MI — Ann Arbor officials are debating what they say would be the biggest public investment in a private development in the city’s history. And it amounts to helping build what some City ...