13 A.3d 262 CITY OF MANCHESTER v. SECRETARY OF STATE a. RYAN CASHIN a. v. CITY OF MANCHESTER. No. 2009-791.Supreme Court of New Hampshire. Hillsborough-northern judicial district.Argued: June 15, 2010. Opinion Issued: November 10, 2010. 1. Municipal Law — Construction of Ordinances — Preemption The preemption doctrine flows from the principle that municipal legislation is […]