Donald Trump said he has “no preference” for whether the UK should remain in the European Union or vote to leave. Ukraine won the 2016 Eurovision Song Contest. And U.S. President Barack Obama will sit down today with BuzzFeed News for a Facebook Live interview. A suicide bomber killed at least 25 people in Yemen on Sunday, many of them police officers, the AP reports. The Yemeni branch of ISIS claimed responsibility for the attack on social media...