• Vaccines seem to do strange things to the mind — at least for politicians.
• Wisconsin governor Scott Walker took an early, if narrow, lead in a poll of Iowa Republicans. They know him as a plainspoken conservative who took on his state’s public-employee unions, and the Left nationally, and won — repeatedly. Before too long, though, presidential-primary voters will want to hear what Walker has to say about national issues. (He has been dodging questions about immigration policy, but will not be able to get away with it forever.) His reputation as a foe of public-sector privilege could help him make the case for restoring a government that works for the people and not for itself. If he can withstand the new kind of scrutiny he will now receive, this might not be the last time he has a lead.












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