short time ago signaling he may not be buying the government s argument either. the mandate that requires all americans to purchase health insurance or pay a fine is constitutional. justice anthony kennedy as we ve been saying for many weeks now may be the man this entire healthcare law comes down this. this is why a lot of people said justice kennedy is the most powerful man in america, it s not president obama, and it s not just on issues like healthcare. he is the critical swing vote on this case according to most court watchers, and he has some harsh criticisms for the individual mandate today asking one of the lawyers, the lawyer for the government to speak to what kennedy called a quote, very heavy burden of justification, to show where the constitution authorizes congress to take this kind of sweeping action. tom goldstein runs the top supreme court blog in the country. i recommend you check it out. he left the courtroom to file this update on the argument just about t