Local News 4/20 In Boulder April 20, 2011 / 9:10 PM MDT / CBS News 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder The 4/20 Rally In Boulder in 2011 (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder An image for the 4/20 rally in Boulder in 2011 (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS) 4/20 Rally In Boulder 4/20 Rally In Boulder An image from the 4/20 rally in Boulder (credit: CBS) 4/20 Rally In Boulder (credit: CBS)