Rep. Darrell Issa managed to push the details of a secret wiretap application from the botched “Fast and Furious” gunwalking operation into the public domain this week when he entered summaries into the Congressional Record, apparently using Congress‘ protection under the speech and debate clause to get around legal boundaries. The summary of a March 2010 wiretap application shows that federal agents repeatedly lost track of guns they knew were being trafficked back to cartels in Mexico — a violation of Justice Department policy that should have raised red flags with top department officials who signed off on the wiretaps,...