Carl Pohlad, President of the United States?

What POD would be necessary to get Carl Pohlad, last president of the Twin City Rapid Transit Company before it was nationalised by the State of Minnesota in 1970, a shot at the US Presidency?

In OTL Mr. Pohlad continued getting rich in Minnesota; he owns TCF Bank and I think he was involved with professional sports. Now he retired to Florida to avoid Minnesota taxes....
 
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