- Debate coach Todd Graham: In an uncharacteristically civil debate, Cruz gets an A-; Kasich, Rubio get B's on debate performance
- Trump gets F for weak answers on Israel, China, Common Core; his knowledge on key policy issues appeared thin, he says
- Graham: His response on violence at his campaign rallies was alarming
Todd Graham is director of debate at Southern Illinois University. His teams have won national championships for three years, and he's been recognized twice as the national debate coach of the year. The opinions expressed in this commentary are his.
(CNN)At Thursday's GOP debate in Miami -- the 12th in this campaign cycle -- I saw three serious contenders for the presidency. Why only three? Because the man that will most likely be the Republican nominee did not register: He continued to lack the thoughtfulness usually seen in a serious contender.