Grade the following running mates for the two candidates

[YRABNNRM]

I just picked 40 names at random; 20 for McCain, 20 for Obama. Some are plausible, some are not but I just picked whatever popped up in my head at the time, without thinking about whether or not they were realistic or if they made sense. Here we go:

McCain:
Mark Sanford
Mike Huckabee
Tim Pawlenty
Carly Fiornia
Tom Ridge
John Sununu
Mitt Romney
Joe Lieberman
Tommy Franks
Jeb Bush
Judd Gregg
John Ensign
Newt Gingrich
Bobby Jindal
Colin Powell
Fred Thompson
Kay Bailey Hutchinson
James Jones
John Thune
Mike Rounds

Obama:
Joe Biden
Hillary Clinton
Bill Richardson
Ray Mabus
Kathleen Sebelius
Colin Powell
Chris Dodd
Joe Manchin
Sam Nunn
Tom Daschle
Evan Bayh
Tim Kaine
Chuck Robb
John Kerry
Ken Salazar
Chuck Hagel
Bill Nelson
Lee Hamilton
Jack Reed
John Breaux

[YRABNNRM]

McCain:
Mark Sanford - B
Mike Huckabee - C
Tim Pawlenty - B+
Carly Fiornia - Not gonna happen
Tom Ridge - Not gonna happen
John Sununu - Definetly not gonna happen
Mitt Romney - B
Joe Lieberman - D
Tommy Franks - C
Jeb Bush - lol
Judd Gregg - Not gonna happen
John Ensign - D
Newt Gingrich - C
Bobby Jindal - C+
Colin Powell - C-
Fred Thompson - D+
Kay Bailey Hutchinson - D
James Jones - Not gonna happen
John Thune - B-
Mike Rounds - F

Obama:
Joe Biden - B
Hillary Clinton - B
Bill Richardson - B
Ray Mabus - Not gonna happen
Kathleen Sebelius - B
Colin Powell - Not gonna happen
Chris Dodd - B-
Joe Manchin - C
Sam Nunn - C
Tom Daschle - C-
Evan Bayh - B
Tim Kaine - B
Chuck Robb - B
John Kerry - D
Ken Salazar - C+
Chuck Hagel - Not gonna happen
Bill Nelson - C
Lee Hamilton - Not gonna happen
Jack Reed - C
John Breaux - B-

The "not gonna happen"'s don't matter, like I said in the initial post if you read it. This is hypothetical.