mad men, they re all back, betty, jon, the incomparable joan. what is it about their world we find so downright transing? is it something this country had and lost? is it about our youth? hi, i m chris matthews. with us today new york magazine john heilemann, cnn s gloria borger, cnbc kelly evans and pulitzer times editor david leonhardt? what do they have in common? both can wipe the slate clean. and they could wipe out the health care law, let it stand or kill the heart of it. we ll get clues in the extraordinary three days of argument starting monday. the president has not been talking much about health care lately, but there was this the other night. we want to call it obamacare, that s ok because i do care. that s why we passed it. chris: mitt romney will be invested by the republicans with the right and duty to make the president eat those very words. but that etch-a-sketch admission this week highlights his achilles heel. listen how rick santorum put it to time m