By Lori Valigra, Mass High Tech Correspondent
The venue for this year’s annual Biotechnology Industry Organization (BIO) convention, ending today, may have been the nation’s capital, but the Massachusetts delegation to the show, anchored by Governor Deval Patrick and Boston Mayor Thomas Menino, loudly drummed its “Road to Revolution” theme to attract attendees to next year’s show in Boston, to be held June 18-21, 2012.