Good morning. Today is Friday, December 6, 2019. I’m Imran Sheikh, and here are your local headlines from TribLIVE Pittsburgh. There's a chance for late morning and early afternoon showers today. Otherwise, expect cloudy skies with a high near 46 and a low tonight of 24. Our top story: Duolingo has earned the title of Pittsburgh’s first tech “unicorn” — which is investing lingo for those rare startups that achieve a valuation topping $1 billion. Now valued at $1.