Hillary Clinton began her 2016 march to the White House last week, and it wasn't a promising debut. The former first lady and Senator used her first big policy speech since leaving the State Department to portray American election laws as fundamentally racist. The speech was longer on anecdotes than statistics, so allow us to fill in some of the holes.

"In 2013, so far, more than 80 bills restricting voting rights have been introduced in 31 states," Mrs. Clinton told her political base of lawyers at the American...