(Marvin Joseph/The Washington Post) Generate Key Takeaways NEW YORK LaTanya Richardson Jackson sweeps into a lobby restaurant on the Upper East Side like a majestic auntie dream girl. A crisp citrine tunic frames her Van Cleef Vintage Alhambra necklace. Her hands sparkle as her fingers drum the table to emphasize a point. Tiny golden starbursts dot each ear. And to top off Jackson’s not-so-quiet luxury? A ball cap that reads, in cheeky bold letters: Black famous. “Ha! This?