​Environmental activists face up to ten years in prison for glitter-covered bannerOklahoma City police charged two activists on Friday for enacting a “terrorism hoax” after the pair unfurled a banner covered in glitter at a fossil-fuel company’s headquarters. Authorities took the glitter as evidence of a possible biochemical attack. About a dozen environmental activists with the Great Plains Tar Sands Resistance group demonstrated Friday at Devon Tower, headquarters of Devon Energy.