Halliburton makes Ryan Zinke's beer dream come true02:36
The Interior Department's inspector general is investigating whether Zinke colluded to have Halliburton's chairman build him the microbrewery he's always wanted in his hometown of Whitefish, Montana.
This Is Big!00:00
Tea partier calls for ‘energy revolution’00:40
Is clean coal worth the costs?00:00
Train explosion, crash demonstrate dangers04:14
The 'dark lord of coal country' speaks06:25
Climate advocates feel a moment in history02:45