McCain Crowned Republican Nominee; Huckabee Bows Out

McCain wins enough delegates in Tuesday's contests to become GOP standard bearer. Speaking in Dallas: "We have won enough delegates to claim with confidence, humility and a great sense of responsibility that I will be the Republican nominee for President of the United States." Watch clip above. Read full remarks here. McCain to nab endorsement of President Bush Wednesday at noon ET at the White House. Will also go to the Republican National Committee to take the keys. Plus: Obama calls McCain to congratulate him, says he is looking forward to facing him in November. And: Clinton calls too. Huckabee ends his bid, congratulates McCain. Click above to watch. "Senator McCain has run an honorable campaign, because he’s an honorable man."