It's a constant debate amongst the left and right: climate change. On Friday night's episode of Real Time, host Bill Maher welcomed in Republican presidential candidate Rick Santorum. And if you don't know, the two have complete opposite opinions on the issue. Maher believes it's the thing we should be talking about, and Santorum, well, disagrees. Regardless, the two decided to get together on the HBO series to hash out their differences. Read More »