LEXINGTON — For centuries, one of the tallest points in this town’s historic center has been the old wooden tower on Belfry Hill, whose bells rang out at the start of the battles that began the Revolutionary War. Soon, the belfry may have a more modern neighbor, almost as tall: a four-story mixed-use development that […] The post After ambitious state law, Lexington welcomed a wave of new housing. Now people there are having second thoughts. appeared first on Boston.com.