chris matthews up in new york. let me start with the big one. next weiss' first huge bedate between barack obama and mitt romney. no matter what we say now trying to figure this thing out, it's impossible to know what it will feel like when these two men meet, shake hands, and take their positions. the studio where we do "hardball" in washington was the sight of the second great debate between richard nixon and john f. kennedy. right before that debate the kennedy brothers arrived to discover something weird had happened. the temperature was meat locker level. so cold they couldn't believe it and they knew why. kennedy's television adviser went racing to the basement and found nixon's guy standing watch on the thermostat. nixon had sweated in that first debate and it cost him. this time the nixon people were intent on freezing the room so cold that nixon couldn't sweat at all. well, after a standoff in that basement in our headquarters and some threats to call the police, they agreed to bring the temperature up. well, think this stuff doesn't matter? it all matters. just like everything we do, wear, look like, a