Former New Mexico Gov. Gary Johnson is campaigning to win the White House as a Libertarian after receiving scant attention in the Republican presidential race. Johnson easily became the party's presidential nominee at the Libertarian national convention in Las Vegas on Saturday. He hopes to appeal to voters fed up with the traditional two-party system this November. SNIP He won 74 percent of the vote on the first ballot in Las Vegas, an unusual showing of support. SNIP