Time: Barack Obama has seen protesters from his motorcade for years: McCain and Romney campaign supporters, health care reform opponents and all manner of Tea Party acolytes. But when he left Argonne National Laboratory in a cold rain outside Chicago on Friday, there was another breed altogether: environmentalists bearing bright hand-painted signs with messages like, No XL Pipeline.
In a matter of months, the Obama Administration will have to decide whether to permit the Keystone XL pipeline, a 2,000...