Jonathan Karl, the program’s co-anchor and ABC’s chief Washington correspondent, doubled down on the question — asking Wolf whether he knew it would be used at the GOP convention. “No,” Wolf replied, adding, “We had a number of USCIS employees there, as they do every naturalization ceremony, making sure that that ceremony goes off without a hitch. They were giving that oath of allegiance to those individuals there. And again, we’ll continue to do that, because that's our mission at the department.”