NumbersUSA Presidential Scorecard
(www.numbersusa.com)
Last updated 3/16/16

Candidate....Grade
Cruz.......... A
Trump......... A-
Kasich........ D
Clinton....... D-
Sanders....... F-

I used the data and quantified it to give me a numerical comparison. Here are the result and the methodology I used...

Methodology
The point assignment is my own using:

4 to -4 for Excellent to Abysmal;
using 0 for No Action & Mixed

Results

Candidate.....Points....%Diff
Cruz........... 32 ..... +33%
Trump.......... 24 ..... -25%
Kasich......... -4 .... -113%
Clinton....... -14 .... -144%
Sanders....... -23 .... -172%

This shows much more clearly the differences on this issue between the candidates and it helped me in my analysis.