I really hate it when politicians reject solution X and then say 'are there other solutions we should be looking at other than X?'
If you are running, your job is to provide the solution! If you still need look for solutions, go look. Don't run for office.
David Crowley says "We have to look at this [tax] system holistically and not just be saying 'Tax The Rich''"; and that taxing the wealthy could cause capital flight from Wisconsin.