Hunter Biden was found guilty Tuesday of three felony charges in connection with lying on a federal gun-permit application. He swore he wasn’t addicted to drugs, but he was. For that, he was convicted. He’s facing up to 25 years, though he might not see any prison time. The key thing to understand about the conviction of the president’s son is that it’s proof that Donald Trump and the Republicans have been lying. Caught in the lie, they’re now lying about what they lied about, hoping that the new lie covers up the old one. It’s also proof that they don’t mean what they say, and when it’s disco…