The chairman of the Democratic Town Committee has asked police to put a halt to Republican campaign signs shaped like stop signs posted along local streets. Ellery Plotkin filed a complaint with the Police Department Monday morning about the octagonal GOP signs that urge voters to "STOP Raising Taxes Vote Republican." Police Sgt. Suzanne Lussier, the department spokeswoman, said six of the GOP signs were removed by officers after their placement was deemed to violate state rules or created a traffic hazard. "From here on out, it will be referred to the (Republican Town Committee) or the (Democratic Town Committee)...