His absence could hurt the party in one of the most closely-watched contests of the year. The recall vote is on June 5.
- Why Scott Walker’s victory in Wisconsin isn’t bad news for Obama’s re-election
- Scott Walker recall: Why Wisconsinites should feel pride
- Wisconsin battle says little about Obama v. Romney
- Do Democrats have a turnout problem when Obama is not on the ballot?
- Why Wisconsin can be a blueprint for black voters