President Biden's administration is scrambling to track the nearly $20 billion in military aid it has sent to Ukraine as Republicans warn of impending audits when they take control of the House in January. Likely future House Speaker Kevin McCarthy has said his party will not be giving Ukraine a "blank check" to fend off Russia's invasion. A potential audit would determine how much, if any, of the U.S. aid is ending up in the wrong hands. The Biden administration's previous tracking efforts have inspected only a fraction of the aid provided to the country. While some staunch Ukraine allies...