“She would not win the Presidency, but ...”
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Why not?
Primarily because women in sufficient numbers will no support her
History tells us so. Lincoln was not the Republican party’s first presidential candidate. John C. Fremont was.
I think Mrs Palin could by running as a TeaParty candidate give the emerging party enough votes and stature to possibly elect enough members of the House and possibly the Senate to become a national force by 2020 or 2024.