John McCain

Iraq War
Add more troops and new anti-insurgent tactics
Keep American support of the war strong
Set up a stable government and use pressure from Syria and Iran
Border Control/Immigration
Enforce closed borders to illegal immigrants
Support Mexican leaders who favor democracy/freedoms
Gay Marriage
In favor of protecting marriage (between one man and one woman)
Abortion
Believes Roe v. Wade should be overturned. Courts should not decide issues like abortion.
National Security
Supports a strong military
In favor of attacking Islamic extremist groups
Strongly supports theater and national missile defense systems
Environment
Believes in global warming and supports action
Supports U.S. decision to abstain from Kyoto Treaty until China and India join.
Gun Control
Strongly in favor of the Second Amendment rights
Against bans on “assault rifles” and high capacity ammunition magazines
Opposes waiting periods when purchasing guns

Source and further issues: http://www.johnmccain.com/Informing/Issues/