6 Questions About What's Next for Keystone XL as U.S. Senate Votes

  A U.S. Senate vote on the Keystone XL pipeline, slated for Tuesday, won't resolve the seemingly endless pipeline saga that has engulfed Barack Obama's presidency.   Even if the Senate passes a bill to force approval of the $8 billion U.S.-Canadian pipeline, as the U.S. House of Representatives did for the ninth time last week, that won't end debate and begin the project's construction. Not even close.   Continue reading on The Great Energy Challenge.