*** m %wAt 7,000 feet, even Thunder Chicken looks like he’s having second thoughts about what he’s doing. Thunder Chicken will be at Princeton's Golden Heritage Days this weekend. He will be jumping Thursday at 7 p.m. and Saturday at 2 p.m.. The bubble gum drop will be Thursday at 6:30 p.m. and his magic show Saturday at 4 p.m. His hot air balloon ascension will be Friday at 6 p.m.