Donald Trump took a swipe at Mitt Romney on Wednesday night, complaining to a TV interviewer that the 2012 Republican nominee was attacking him via a new super PAC formed for that purpose. Trump, speaking to Fox News host Greta Van Susteren, was asked about Our Principles, the group run by former top Romney aide Katie Packer that has been running ads portraying him as a fake conservative. Story Continued Below “They are all aiming at me, I guess, and that’s fine. And so far, it‘s been only driving my numbers up. They should have devoted more time to Mitt...