Roadblocks, weapons bans as Boston braces for 'Free Speech' rally

By Scott MaloneBOSTON (Reuters) - Boston officials are planning road blockades and even banning food vendors from the historic Boston Common as they step up security around a "Free Speech" rally on Saturday featuring right-wing speakers, aiming to avoid a repeat of last weekend's violence at a white supremacist rally in Virginia.Saturday's rally has drawn intense concern from city and state officials following the violence in Charlottesville, when white supremacists at a "Unite the Right" rally