Evening Wrap: US Today

The GOP's first-ever midterm convention opens in Dallas tonight with a dominant narrative of political crisis. New polls show President Trump's approval rating cratering to 36% and 33% in two separate surveys, with support slipping even among his own party's base as midterm elections loom just weeks away.

Watch List

• GOP Convention Boycott: Multiple key Senate and House candidates in competitive races are skipping the Dallas event, citing need to campaign locally...