Ted Cruz's Thesis Adviser on How He's Changed Since College

In the four years since he made national headlines for his infamous filibuster speech against Obamacare, Senator Ted Cruz has become a household name—first as an ambitious young senator, then as a presidential candidate.

But 25 years ago, Cruz was an undergraduate student at Princeton. When he wasn’t winning debate championships or provoking the ire of his freshman-year roommate, he was getting to know one of the nation’s leading conservative academics, the professor Robert George.

George was Cruz’s constitutional-law professor and his thesis adviser. Cruz credits George with pushing him to not only think about the Constitution more deeply, but to constantly revisit his own beliefs. In the years since they were student and teacher, the two have stayed close. On the presidential campaign trail, Cruz regularly turned