Donald Trump, the first former U.S. president to become a convicted felon, vows to appeal and keep fighting after he found was guilty on Thursday of falsifying documents to cover up a payment to silence a porn star's account of a sexual encounter ahead of the 2016 election. Einar Tangen, senior fellow at the Taihe Institute in Beijing, says the verdict highlights America's outdated form of democracy. He adds that it has further divided the already polarized nation.