![Environmental weirdos donned tin foil hats for today's congressional hearing](https://www.theblaze.com/media-library/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vd3d3LnRoZWJsYXplLmNvbS93cC1jb250ZW50L3VwbG9hZHMvMjAxMy8wOC9zaHV0dGVyc3RvY2tfMTI0NTc0NTE1LmpwZyIsImV4cGlyZXNfYXQiOjE3NTgxNDk3Mjl9.ryHhw6HIhVQWN3M_s1y30CesY5kfRlVXKE-T-Qmv0FI/image.jpg?width=980&quality=85)
Aluminum foil can help block a signal from getting to a phone. A law professor suggests instead of allowing warrantless searches of phones, police take measures to protect the phone's content while they wait for a warrant. (Photo: Shutterstock.com)
...and they BRAGGED about it via Twitter:
Hey, @RepFredUpton - these folks at the hearing have your hat for you when you are done. #ActOnClimate #Denierpalooza pic.twitter.com/9s0k7b0Hat
— Sierra Club Live (@SierraClubLive) September 18, 2013
The Sierra Club activists were on Capitol Hill to attend a hearing of the House Energy & Commerce Committee -- “The Obama Administration’s Climate Change Policies and Activities” -- chaired by Michigan Rep. Fred Upton, a Republican.