It was a turbulent week for tech companies. President Trump made Amazon his new target on Twitter and Mark Zuckerberg plans to testify before Congress. In Syria, should we stay? Or should we go? Also this week, China retaliates with threats of more tariffs and, in Brazil, a former — but popular —president loses his long battle to avoid jail. | Want to support 1A? Give to your local public radio station at donate.npr.org/1A and subscribe to our podcast. Have questions? Email the show at 1a@wamu.org and find us on Twitter @1a.