The nominating process for the head of the National Counterterrorism Center, the hub for threat assessment within the U.S. government, is typically a routine affair. But for Matthew Olsen, President Obama's pick to lead the agency, the nomination is in jeopardy amid accusations that he misled a member of Congress when he was in charge of the administration's Guantanamo task force to close the military detention camp in 2009. Earlier this month, Rep. Frank Wolf, R-Va.,who represents the district where the center is located, wrote to the Senate Select Committee on Intelligence, objecting to the nomination. Wolf said he believes...