Cause Celeb: Ashton Kutcher testifies in the Senate on modern slavery; Patti LaBelle is as sweet as her famous pie during fan encounter in Georgetown; Why an exclusive club of journalists invited President Trump to its white-tie dinner; Michelle Obama tweets for the first time since leaving the White House — and yes, it’s another vacation photo;     Sen. Susan Collins gets congratulated for ‘resisting’ — while on a Valentine’s date The Maine Republican was trying to enjoy dinner at Ris. By Emily Heil  •  Read more » ADVERTISEMENT   Cause Celeb: Ashton Kutcher testifies in the Senate on modern slavery The actor, who heads an organization that uses technology to identify and locate victims of trafficking, nearly broke into tears as he described his work. By Emily Heil  •  Read more »   Patti LaBelle is as sweet as her famous pie during fan encounter in Georgetown Before heading for the door about an hour later, our tipster tells us, LaBelle made sure to hug her new friend goodbye. By Helena Andrews-Dyer  •  Read more »   Why an exclusive club of journalists invited President Trump to its white-tie dinner The Gridiron Club is asking POTUS to break bread with the fourth estate. By Emily Heil  •  Read more »   Michelle Obama tweets for the first time since leaving the White House — and yes, it’s another vacation photo The Obamas have been in chill mode for more than three weeks. By Helena Andrews-Dyer  •  Read more »   ADVERTISEMENT   Recommended for you   Entertainment news alerts Get updates from the world of entertainment. Visit washingtonpost.com/newsletters for more breaking news alerts and newsletters. Sign Up »         Share Reliable Source:       Twitter      Facebook Trouble reading? Click here to view in your browser. You received this email because you signed up for Reliable Source. For additional free newsletters or to manage your newsletters, click here. We respect your privacy. If you believe that this email has been sent to you in error or you no longer wish to receive email from The Washington Post, click here. Contact us for help. ©2017 The Washington Post, 1301 K St NW, Washington DC 20071