Who is Linda Yaccarino, Elon Musk’s pick for Twitter CEO?

Yaccarino is chairman of global advertising and partnerships at NBCUniversal, where she oversees 2,000 workers on a team that has generated more than $100 billion in ad sales, according to her profile on the company’s website. Her team has forged partnerships with Apple News, BuzzFeed, Snapchat and Twitter, among others. Word...