Mike Meru Has $1 Million in Student Loans. How Did That Happen?

DRAPER, Utah—Mike Meru, a 37-year-old orthodontist, made a big investment in his education. As of Thursday, he owed $1,060,945.42 in student loans. Mr. Meru pays only $1,589.97 a month—not enough to cover the interest, so his debt from seven years at the University of Southern California grows by …