So What Exactly Is Obama's Red Line On Keystone XL?

In the lead-up to President Barack Obama's heavily billed speech on climate policy in June, the big question among members of the White House press corps was what, exactly, he would say about the proposed Keystone XL pipeline.

By that point, the fault lines on Keystone were pretty clear. Congressional Republicans were demanding it be green-lighted. GOP presidential nominee Mitt Romney had bludgeoned the president over his non-approval throughout the 2012 campaign. Environmental g