A big issue for President Obama: Should this pipeline go through? What’s at stake?
1. The oil sands deposit is massive — and so is the pipeline The Keystone XL will tap into the second biggest petroleum reserves on Earth. If approved, it will run from Hardisty, Alberta, to Port Arthur, Texas. The $7 billion, 830,000-barrel a day project would go from Canada, through the Great Plains, crossing six states and ending in Texas. At left, an open pit mine in Fort McMurray, Alberta. Michael S. Williamson/The Washington Post Buy Photo