The comedy duo Cheech & Chong hosts this weekend's Fourth of July Freedom Fest at Nelson Ledges. The weekend-long event kicks off tonight. Tomorrow night, the jam band Rusted Root performs; Cheech & Chong take the stage on Saturday night. There will be hiking, biking, camping, swimming and volleyball. Admission, which costs $100 in advance or $120 at the gate, includes camping. (Niesel)