McCain's health plan here:
http://www.nytimes.com/2008/04/30/us/politics/30mccain.html?_r=1&partner=rssnyt&emc=rss&oref=slogin
[...]
Elizabeth Edwards, the wife of former Senator John Edwards, recently pointed out that both she and Mr. McCain could be left uncovered by Mr. McCains plan because she has cancer and he has had melanoma. Stung by such criticism, Mr. McCain is trying to develop a way to cover people with health problems while still taking a generally market-based approach to solving the health care crisis.