Walker's problem may be that he isn't dynamic. The Donald gets most of the media attention. The mainstream media try to mock him, but he's garnering more and more support, because underneath the bombast is a consistent pro-American immigration policy. And he's not afraid to be up front about his opposition to illegal aliens:

http://www.breitbart.com/big-governm...-back-to-work/

"Thirdly, Trump argues, 'a nation that does not serve its own citizens is not a nation.'
“Any immigration plan must improve jobs, wages and security for all Americans,” he writes to flesh out the third principle."
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Americans first in this magnificent country

American jobs for American workers

Fair trade, not free trade