Rubio staked his marker in the education-reform debate last week when he delivered a speech at the Chamber of Commerce calling for policy changes to improve the skills of the American workforce. Education is not a high-profile topic in Washington, but some Republicans see it, along with immigration reform, as crucial to winning a key part of the electorate: women voters. “We need a champion in both areas. We lost the last election at the PTA meeting and the Hispanic chamber of commerce. Jeb Bush wins elections at the PTA meeting and Hispanic chamber,” said Don Gaetz, president of the...