McCain went from state to state after the school shooting at Columbine campaigning for passage of more gun control laws in those states. He also crafted the unconstitutional CFR law which has severely diminished the influence of pro-gun orgs like NRA and GOA on Capitol Hill.
I haven't heard him say anything regarding the abortion issue, but I don't trust him to stand strong for the sanctity of human life on religious or moral principle the way Bush has throughout his time in office.
As for Rudy, no way Jose. AFAIC Rudy is totally disqualified for any high office because of his position on both human life and 2nd Amendment issues.
Here's some of the ratings conservative organizations gave McCain:
Fall 2004 Senator McCain supported the interests of the Conservative Index - The John Birch Society 90 percent in Fall 2004.
2004 Senator McCain supported the interests of the Eagle Forum 100 percent in 2004.
2004 Senator McCain supported the interests of the Family Research Council 67 percent in 2004.
2004 Senator McCain supported the interests of the Christian Coalition 83 percent in 2004.
2004 Senator McCain supported the interests of the American Conservative Union 72 percent in 2004.
2004 Senator McCain supported the interests of the Republican Liberty Caucus 77 percent in 2004.
2004 Senator McCain supported the interests of the Christian Action Network 79 percent during their legislative career up until 2004.
2003-2004 Senator McCain supported the interests of the Concerned Women for America 100 percent in 2003-2004.
2003-2004 On the votes that the Campaign for Working Families considered to be the most important in 2003-2004, Senator McCain voted their preferred position 84 percent of the time.
(more McCain ratings available at:
http://www.vote-smart.org/issue_rating_category.php?can_id=S0061103&type=category&category=Conservative