Keystone XL Pipeline – the energy issue that has split America

The debate over whether the US President should approve TransCanada's proposed 835 mile Keystone XL Pipeline has divided the nation. Now the final deadline for public consultation has passed, with a decision expected in the early summer. As groups continue to passionately rally in favour of and against the pipeline, what are the project's true advantages and disadvantages, beyond all the hype? By Heidi Vella.