Who’s fundraising at the Rihanna concert?; The Scene: Pink-tie gala welcomes annual blooms; George Washington professor makes ‘House of Cards’ cameo; Celeb endorsement of the week: Singer Clay Aiken for Bernie Sanders;     Another Kennedy memoir: JFK’s last surviving sibling’s book to feature ‘charming stories’ of fabled clan The latest entry in the oeuvre is by Jean Kennedy Smith, 88. By Emily Heil  •  Read more » ADVERTISEMENT   Who’s fundraising at the Rihanna concert? Only one congresswoman is raising campaign dollars at the pop diva's Washington concert. By Emily Heil  •  Read more »   The Scene: Pink-tie gala welcomes annual blooms Partygoers kicked off the arrival of cherry-blossom season in all hues of pink. By Kate Warren  •  Read more »   George Washington professor makes ‘House of Cards’ cameo George Washington University's Frank Sesno plays a talking head on the dark political drama. By Emily Heil  •  Read more »   Celeb endorsement of the week: Singer Clay Aiken for Bernie Sanders The former "America Idol" runner-up says he likes Hillary Clinton, but says the Democratic Party front-runner should "learn from the Bern." By Emily Heil  •  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. ©2016 The Washington Post, 1301 K St NW, Washington DC 20071