by Andrew BEATTY Agence France Presse WASHINGTON, United States (AFP) — Barack Obama vowed to speak up if Donald Trump threatens core US values and reassured Americans “we’ll be okay” Wednesday, in a political swansong after eight years as president. During his final press conference and public appearance before Trump’s inauguration on Friday, the 55-year-old said he was stepping back but would return to the political breach in extremis. “I want to do some writing, […]