Reuters: President Barack Obama will lay out an agenda on jobs, the economy and the environment during his State of the Union speech on Tuesday. But he is unlikely to mention the Keystone XL oil pipeline, a politically charged project that could shape his legacy in each area. Some five years after Keystone XL was proposed, Canadian officials, Republicans and some Democrats in conservative U.S. states are expressing frustration over the lack of a decision by the White House on the initiative. The TransCanada...