Premise: We have to be bold. We have to provide leadership. Now it's true that we disagree on this. The governor said that he doesn't think this problem is necessarily caused by people. He's for letting the oil companies into the Arctic National Wildlife Refuge. Houston has just become the smoggiest city in the country.
Hypothesis: Their 1,500 miles (2,400 km)-a-year land migration between their winter range in the boreal forests of Alaska and northwest Canada over the mountains to the coastal plain and their calving grounds on the Beaufort Sea coastal plain,[26] is the longest of any land mammal on earth.