In July, when Gov. Mitch Daniels appointed the Commission on Local Government Reform to search for ways to streamline and modernize Indiana’s system of local government, he recommended considering every option for bringing government into the 21st century. And he raised one particularly dramatic option: convening a convention to rewrite Indiana’s constitution, a document that has been amended often, but never rewritten, in 156 years. Times were different in 1851, when Indiana enacted its constitution. The state had fewer than…