"Go Donald!" is what CBS chief Les Moonves famously cheered during an investor call last December. And that's not because of his politics. Just last month, he quipped that, while Trump’s campaign may not be good for America, it’s "damn good for CBS." 2016 is set to be a record-breaking year for political ad spending on TV, as candidates and Super-PACS load up on anti-Trump ads. But what does it all mean for our republic?