Norwegian gunman Anders Behring Breivik defended his massacre of 77 people, insisting Tuesday he would do it all again and calling his rampage the most "spectacular" attack by a nationalist militant since World War II.Reading a prepared statement in court, the anti-Muslim extremist lashed out at Norwegian and European governments for embracing immigration and multiculturalism. He claimed to be speaking as a commander of an "anti-communist" resistance movement and an anti-Islam militant group he called the Knights Templar. Prosecutors have said the group does not exist. Maintaining he acted out of "goodness, not evil" to prevent a wider civil war, Breivik vowed, "I would have done it again." Breivik has five days to explain why he set off a bomb in Oslo's government district on July 22, killing eight people, and then gunned down 69 others at a Labor Party youth camp outside the Norwegian capital. He denies criminal guilt, sayi...