The Obama administration is in talks this week with the man who could replace the current head of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), a man gun-rights groups have railed against as being hostile to their cause. Andrew Traver was nominated in November by President Barack Obama to become ATF director, but the National Rifle Association has stalled his appointment, citing his anti-gun rights stance. Traver, who now heads the ATF’s Chicago field office, is to meet Attorney General Eric Holder and top Justice Department officials this week. Traver’s visit was seen at the Capitol as the...