Rep. Darrell Issa, the House’s top investigator of the IRS targeting scandal, isn’t holding his breath for those missing Lois Lerner emails. Obama administration officials have done “everything they can to slow down the process,” the California Republican told The Daily Signal in an exclusive interview, and have a “cavalier attitude” about producing documents. Americans, he said after speaking at Cato Institute, should be concerned about a common thread running through administration scandals.