We take ideas like freedom and liberty for granted. Kelsey goes back in time to speak with one of the people who brought them over to America: Thomas Jefferson… Big Talk: Ever feel like the FBI is monitoring your phone calls?.. Master mechanics Widget and Whack explain the workings of the vacuum cleaner… There seems to be a graffiti gang loose and Tucker is hired to chase them down… Boom Radio: All this cloning stuff is old news to Devin the Duff.. How much money is enough? Jessica & the King of Complicated Stuff try to get a handle on “greed”… Census: How much money would you need to be happy?… News Update: Try smelly feet for your next science project… Toby & Gramps discover the Arizona desert isn’t quite as scary as it first seemed.