If Senate candidates hold a voter forum and no one notices, did it still happen? The 4 Democrats vying to replace Senator Kennedy appeared yesterday at Merrimack College and fielded questions on a variety of topics. The Gloucester Times has a decent review of the event. To me, the biggest thing to come out of the forum was that Attorney General Coakley and Mr. Pagliuca both indicated that, while they didn’t like the idea, they would be open to more troops in Afghanistan depending on what they heard from Generals. However, Mr. Khazei and Congressman Capuano were more firm in their positions that the US not commit additional troops to the country. Beyond that, there were not too many substantive differences to report on.