PHILADELPHIA, United States (AFP) — Chelsea Clinton on Thursday tried to lift the public veil on one of America’s best-known and most disliked politicians, telling the Democratic convention her mother, their presidential nominee, was “wonderful, thoughtful” and “hilarious.” Trying to soften a public image forged over decades of withering political trench warfare, Chelsea Clinton recounted a mother who read her “Goodnight Moon” and a grandmother who broke from politics to read “Chugga Chugga Choo Choo.” […]