Sam Smith, Brittany Smith and their daughter Erelah outside their Charlotte home. The Smiths moved to Charlotte looking for change and opportunity. They are part of an influx of African Americans to Mecklenburg County, where the African American population has ballooned by 64% since 2000. Swikar Patel for NPR hide caption

Analysts say Boeing CEO Dennis Muilenburg and the company were slow to take responsibility in the crashes of two 737 Max planes within months of each other. Anna Moneymaker/Bloomberg via Getty Images hide caption

At a Senate hearing March 27, Daniel Elwell, acting director of the Federal Aviation Administration, said airline pilots had enough training to handle Boeing's flight control software. But some pilots disagree. Andrew Harnik/AP hide caption

Ads promise cash in the form of payday loans at an Advance America storefront in Springfield, Va. The Consumer Financial Protection Bureau is seeking to rescind a proposed rule to safeguard borrowers from payday lenders. Daniella Cheslow/NPR hide caption

Venmo is used to pay or request money from other people on the app. Every transaction has a memo line, and the app suggests emoji instead of words like "rent," "pizza," and "wine." Amr Alfiky/NPR hide caption

Taxpayers faced with smaller refunds or higher taxes have been airing their grievances online. Susan Walsh/AP hide caption