Keystone XL supporters are falling short in their efforts to round up the Democratic votes in the Senate to bypass the White House and approve the Canada-to-U.S. oil pipeline. A bipartisan bill was introduced yesterday that would circumvent President Barack Obama by issuing a permit allowing construction. The move came after his administration delayed a decision on the $5.4 billion project, possibly into next year, citing a legal challenge to the route it would take through Nebraska. Senate Majority Leader Harry Reid , a Nevada Democrat who opposes the pipeline, told reporters yesterday that there is a “75 to 80 percent chance” that a vote on a standalone Keystone bill will be allowed. That might seem like good news for pipeline supporters, but Democratic leaders are convinced they could defeat a binding measure to force a permit for the pipeline, said a Democratic leadership aide who spoke on condition […]