When you're eating out, tipping might seem like a good thing. But, on this Valentine's Day, we explore the many problems that America's tipping culture creates for restaurant workers.

Maaza Mengiste came to the US as a child, after her family fled Ethiopia’s civil war. Even so, the New York based writer explains why she feels strongly about not calling herself a refugee, why activists need to take breaks from Twitter, and reflects on the stubborn endurance of art in times of upheaval.