I know that its a really long ways away and anything can happen, so, in the tradition of
this thread back in 2005-2006, lets see what the results are like for 2024...
here's what I think...
Dems:
Sen Joe Kennedy III D-MA
Gov Tulsi Gabbard D-HI
Gov Gavin Newsom D-CA
Sen Mark Warner D-VA
(possibly) Sen Chelsea Clinton D-WV
Sen Elizabeth Warren D-NY
(Former) Gov Andrew Cuomo D-NY
Gov Martin O'Malley D-MD
Sen Kirsten Gillibrand D-NY
Gov John Hickenlooper D-CO
Sen Cory Booker D-NJ
(also there is the extreme possibility that any of the members of the previous administration to be possible nominees too...)
Reps
Sen (if not Pres or VP already) Marco Rubio R-FL
Gov (if not Pres or VP already) Chris Christie R-NJ
Gov Scott Walker R-WI
Rep or Sen Paul Ryan R-WI
Sen Kelly Ayotte R-NH
Gov or Sen Bobby Jindal R-LA
Sen or Gov Rand Paul R-KY
Gov or Sen Nikki Haley R-SC
(Former) Gov or Sen Sarah Palin R-AK
Rep or Sen Tom Cotton R-AR
Sen or Gov Aaron Schock R-IL
Gov Bob McDonnell R-VA
Sen John Thune R-SD
Gov Brian Sandoval R-NV
Sen Eric Cantor R-VA