 In fact, F-16 fighter jets and five Patriot air defense systems are on their way to the Ukraine at this minute to help stop missile and drone attacks, like the ones Monday that killed more than 38 people in five Ukrainian cities and flattened a children's hospital. So Joe Biden has been strong over the last three and a half years, not weak. He has been a powerful leader on the international scene, not a feeble one. But there's a problem.