...It is mathematically impossible for Mike Huckabee, the last remaining major GOP contender, to capture the nomination. The former Arkansas governor even turned up on Saturday Night Live recently to poke fun at himself for not going away. Let's be clear: Mr. Huckabee, the former Arkansas governor, remains our choice for the GOP nomination... Aside from [McCain's] long experience and personal courage, he has a solid record of fiscal responsibility and has been on the right side of campaign finance reform and environmental issues. And he was correct and principled to lead the fight for comprehensive immigration reform last summer....