The Arizona senator is one of a few Republicans from the state to break with the party ranks on the controversial ‘zero tolerance’ policy.
Rep. Katie Hill resigns after allegations of improper relationships
Kurt Volker, impeachment witness requested by Republicans, debunks many of their arguments
A new solar heat technology could help solve one of the trickiest climate problems
What we know about the London Bridge stabbings
Vox Sentences: Nuclear tensions on the subcontinent
2018 primaries: Key takeaways as Democrats get a shock and Trump triumphs