First lady Michelle Obama is relying heavily on social media to tout an overseas trip tied to the Let Girls Learn campaign, which is aiming to get an estimated 62 million uneducated girls into school. Obama started a Snapchat account with help from celebrities including James Corden of "The Late Late Show," with whom she recently taped a "Carpool Karaoke" that will run at a future date. She's posting reports on her stops in Liberia, Morocco and Spain on hellogiggles.com, an online community for women. She referred in one report to the heartbreak of an 11- or 12-year-old girl told...
