1. Campaign finance reform. McCain tried to limit the role of money in politics with measures that, critics say, stomp on the constitutional right to free speech.
2. Immigration. McCain has been a vocal supporter of a path to citizenship for illegal immigrants, although he now says he understands the border between the U.S. and Mexico must be sealed first.
3. Tax cuts. McCain twice voted against President Bush's tax cuts, saying in 2001 they helped the wealthy at the expense of the middle class and in 2003 that there should be no tax relief until the cost of the Iraq war was known. But he now wants to extend the tax cuts.
4. Gay marriage. McCain refuses to support a constitutional amendment to ban gay marriage.
5. Stem cell research. McCain would relax restrictions on federal dollars for embryonic stem cell research, which critics consider tantamount to abortion.
6. Global warming. Among the loudest voices in Congress for aggressive action against global warming and a frequent critic of the Bush administration on the issue.
7. "Gang of 14" member. One of seven Republicans and seven Democrats who averted a Senate showdown over whether filibusters could be used against Bush judicial nominees.
8. Kerry veep. McCain was approached by the Democratic presidential nominee in 2004, Massachusetts Sen. John Kerry, about being his running mate. McCain talked with Kerry but rejected the offer.
9. Works with Democrats. See all of the above.
10. Belligerence. McCain can be acerbic toward his critics, such as when he labeled televangelists Jerry Falwell and Pat Robertson "agents of intolerance." He reconciled with Falwell in 2006. Conservative James Dobson, founder of Focus on the Family, said in a statement on the morning of the Super Tuesday primaries that he would not vote for McCain, citing among other things his "legendary temper" and that he "often uses foul and obscene language."
I posted a comment at the story site that I'll repeat here: The Republicans remind me of a mortally wounded marriage, where two people -- not necessarily a man and a woman -- cannot reconcile because they've said too many things they can never take back.
The chattering class of conservative commentators have spewed so much acidic bile about McCain -- and Pastor Huckabee too, for that matter -- that they cannot flip-flop now and support either man without sacrificing whatever is left of their integrity.
Fortunately for them, integrity does not appear to be highly valued within the modern conservative movement.