Early voting starts today and Brooklynites in the redrawn Bay Ridge-Coney Island Council District 47 are in the unusual position of choosing between two incumbents, Democrat Justin Brannan and Republican Ari Kagan. Brannan, the musician-turned-politician, is the right choice. Aside from Brannan’s well-earned reputation for bombast, he’s got bite to back up the bark. In his six years in the Council, he’s introduced dozens of bills and passed several that will directly help constituents. These include a requirement for the city to offer vision testing and eyeglasses to low income people and an expansion of the definition of domestic abuse...