The latest word from Sec. of State John Kerry is that a decision will come the "near term."
The pipeline comes with the promise of more jobs and higher tax revenues.
However, it's unclear if it'll bring oil prices down and increase American energy independence.
However, it also comes with serious environmental risks that have high powered financiers like GMO's Jeremy Grantham worried.
This pipeline has the country divided.
We want to bring you up to speed on the state of the debate.