This week brings another entry in my ongoing look at where the GOP presidential candidates – and potential candidates – stand on the issues. My latest column for National Review Online looks at the candidates on foreign policy, defense, and homeland security. Rand Paul, of course, is the most dovish of the candidates, though nowhere near as noninterventionist as his father (or as he’s often portrayed in the media). After Paul, its various shades of hawk, but there are surprising nuances among the candidates. Marco Rubio, for instance, seems to take the pure neocon line, intervention everywhere, while Ted Cruz falls somewhere between Paul and Rubio.