Zelensky is also not the Churchill of the Second World War. The struggle in Ukraine will not decide the fate of Western civilization the way the struggle against Hitler did. But by portraying it as such, Bush has sided with those in our country who want America and NATO to get more deeply involved in the war, which would heighten the already serious risk that the war will widen to engulf all of Europe and beyond, especially if the nuclear threshold is crossed. We are in very dangerous times. The last thing we need is a former president who botched...