Summary: <p>The Keystone XL oil pipeline has cleared a critical hurdle. A long-awaited State Department analysis says the 1,700-mile pipeline probably would not increase the amount of oil removed from the Canadian tar sands. That finding suggests the politically divisive project would have little impact on climate change, a condition that could allow President Barack Obama to approve it. The State Department report is not the final word on Keystone: Secretary John Kerry must decide whether building the Canada-to-Texas pipeline serves the national interest before advising the president. Diane and her guests discuss what's next in the ongoing saga of the Keystone XL pipeline.</p>
