I'm guessing this was the President's logic behind the selection:
Bingo! We have a winner.
How many lawyers went to a law school at least as good as SMU? Thousands and thousands.
How many also became partners at relatively big law firms? Thousands
How many also became state bar association presidents? Hundreds
How many also directed a state agency like the Texas Lottery? At least dozens
How many also served in the White House? Not many
How many also served as George W. Bush's personal attorney? One
Incidentally, this is the funniest thing I've read so far about the appointment. Read it now!