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•AZ-Sen: Big news out of Arizona, where former state party chair Don Bivens is dropping out of the Democratic primary, clearing the path to the nomination for former U.S. Surgeon General Richard Carmona. Carmona was the clear establishment favorite even before he got into the race, and he outraised Bivens by a wide margin in the fourth quarter of last year (especially considering he'd only been running for six weeks). Though Bivens cited the "cost and impact" on the party for whomever eventually winds up as the nominee, it doesn't look like he endorsed Carmona in the brief statement he put out, though hopefully such an endorsement will be forthcoming shortly. In any event, now Carmona can focus entirely on the man who almost certainly will be his Republican opponent, GOP Rep. Jeff Flake. Daily Kos Elections currently rates this race Lean Republican.