Opponents of Wisconsin’s Republican Gov. Scott Walker say they will submit the signatures of more than 700,000 voters today seeking a recall of Walker and his lieutenant governor, Rebecca Kleefisch. The signature drive gathered far more than the 540,000 signatures needed to force a recall. Signatures have also been gathered to force recalls of the Wisconsin senate majority leader and three other Republican senators. They were all backers of a bill signed into law last year effectively ending collective bargaining rights for most public workers.