CNN for 2/20 results
Real Clear Politics for poll averages
Percentage-point difference between average and results, loser to winner:
- -2.9% | Jeb Bush
- -1.4% | John Kasich
- +0.4% | Ben Carson
- +0.7% | Donald Trump
- +3.7% | Marco Rubio
- +3.8% | Ted Cruz
And why add George W. Bush to the mix?
If anything, Dubya provided the kiss of death.