I don't know all the details of Connecticut law, and this would likely be a common law, rather than a statutory law issue. A lot of states' courts have drawn the line on various displays which are deemed offensive under community standards, especially when the displays are in locations that can't be reasonably avoided by people going about their business.
Connecticut/Abortion/Legal Issues--I've pinged the foremost expert on FR boards.
I suspect he will have an opinion, particularly on the topic of Ct. LEO's...