mondale? >> that's the only presidential election where i left that line blank. >> left it blank? >> but if i had been the, you know, the swing vote, i would have obviously had voted for reagan. >> it was a turning point in krauthammer's transition from the political left to the political right. >> and just a few months after the election i wrote something called the reagan doctrine. >> it was a "time" magazine column and it was provocative. for a while, krauthammer praised reagan on a number of foreign policy issues, he was now crediting him with a breakthrough insight that changed the calculus of the cold war. >> i realized that what reagan had done without a grand master plan was to challenge what at the time was called the brezhnev doctrine. and when we take over a country, communist, it's ours and then reagan had challenged that to sa no, you don't get to keep what you got. we'll challenge your