Senator Bernie Sanders-55.9%
Senator Kampala Harris- 41.1%
Sanders starts off with a much higher name recognition, and with the support of most Labor unions, trade unions and maybe most Congresspeople.
Sanders would sweep the Midwest, Rocky Mountain West, New England and would do well in the South, with Florida and Texas being the closest states that could go either way.
No Southern state is going to be competitive for Sanders, in a two person race... unless his opponent is Lyndon LaRouche or something.