withholding tables in the way you described because a deal is forthcoming and doesn't make sense to reprogram that massive computer system to extend the tax cuts for the -- >> they'll wait until they have a definitive solution here? >> correct. >> okay. some other shorter term implications. doctors with medicare patients see payments drop in february and the irs commissioner warning if there's no extension for the amt patch there, 80 million to 100 million people could face problems doing their taxes. >> right. so first of all, what's called the dock fix, the fact is that if this measure is not corrected quickly, part of the fiscal cliff, doctors who serve medicare patients will see their payments go down something like 27%. i mean, this is one of those crazy time bombs that's in the tax code. that's patched every year. same thing with the amt. as i just mentioned, while the other tax measures, taxpayers