Walker isn’t Obama. Even if Walker supports some form of Amnesty it is a safe bet he won’t go rogue and implement it all by himself.
Cruz will be the only 100% conservative in the race. Not sure who is right behind him but Walker is the only candidate that has executive experience that is to the right of Bush.
I love Ted Cruz and am happy to have him as my senator, however, Walker is the one who actually has a resume of implementing conservative actions. Walker's perception as less conservative may be because of the rational elements that need to be incorporated in order to actually implement change.
Ted has an impressive history of standing up for principle, but has yet to build a record of getting things done.