The state Supreme Court upheld the registry on Thursday.
The Republican says he does not think the time is right to try it in Wisconsin.
He says it's unclear what the process will be to ensure a person is a legal citizen and who they claim to be.
Read two full rulings by the Wisconsin Supreme Court on voter identification.
Read the full Wisconsin Supreme Court ruling in the case of Julaine K. Appling v. Scott Walker.
Read the full Wisconsin Supreme Court ruling in the case of Madison Teachers, Inc. v. Scott Walker.
The Lawrence University Percussion Ensemble won the Percussive Arts Society's 2014 World Percussion Ensemble Competition.
There's a full night of fun at Lambeau Field and on FOX 11 and fox11online.com!
Traffic is expected to be heavy on Saturday in the Oshkosh and Green Bay areas.
A federal jury deliberated for about three hours before finding Kristen Smith, 31, guilty of kidnapping, a charge that carries a sentence of…