Montana Senator Jon Tester answers three questions about toilet testing.
Glendale Man Missing At Grand Canyon
Authorities at Grand Canyon National Park said they're searching for a man reported missing on a hike along the South Rim.
Park officials said 36-year-old Marc Buckhout from Glendale was reported missing by a member of his family on Saturday evening.
Park officials say Buckhout was last seen at 4:30 p.m. hiking along the South Rim west of Grandview Point in the vicinity of Highway 64.