The “nude scanners” are gone. The full-body scanners that used X-rays to create what looks like a nude image of passengers have been packed away and removed from airports across the country. The 250 or so machines were removed about two weeks ago, before the June 1 deadline set by Congress. But privacy advocates aren’t satisfied, noting that the Transportation Security Administration is still using full-body scanners that employ a different technology. … The TSA now relies solely on millimeter wave scanners, which previously generated similar nude images but have been upgraded to portray a generic figure on which they...