Rhode Island next year will begin allowing illegal immigrants to pay lower in-state college tuition, the 13th state to allow some form of lower tuition for undocumented immigrants, Reuters reports. The Board of Governors for Higher Education approved the measure at a meeting late Monday after the state legislature failed to take action for six years. Governor Lincoln Chafee, an Independent, had urged the board to adopt the measure, which takes effect in September 2012, said board spokesman Michael Trainor…