Here are the stories TIME is watching this Wednesday, May 21:
- Establishment Republicans came out on top of GOP primaries after three of five states pass over Tea Party candidates to re-elect incumbents.
- The Supreme Court stayed what would have been the nation's first lethal injection after Oklahoma's botched execution in late April.
- Iranian officials arrest 6 young people for posting a dancing tribute video of Pharrell's song "Happy" to YouTube called "Happy in Tehran."
- Thanks to late storms and lingering cold, Aspen opens its ski slopes for Memorial Day weekend.
The Brief is published daily on weekdays.