The panic over ObamaCare premiums is putting new focus on the individual mandate and how much people should pay when they don't obey it. Under current law, the penalty for being uninsured is 2.5 percent of a person's taxable income or $695 -- whichever is greater. Jonathan Gruber, a key ObamaCare adviser, declared Wednesday that he thinks that penalty needs to be greater. In an interview with CNN, Gruber pointed directly to the penalties when asked what part of the law he would change if he could go back. "I think probably the most important thing experts would agree is...