Witkoff and Rubio Walk Away From U.K. Ukraine Talks

The Trump administration wants to set its own parameters

The U.S. throws the Quad into a bind.

A London-hosted Ukraine summit was thrown into disarray Wednesday after top U.S. representatives pulled out at the eleventh hour and Ukraine pushed back at proposals from Donald Trump's administration to recognize Russia's illegal 2014 annexation of Crimea.

The U.K. is instead hosting dramatically scaled-back talks af…