How a call from Trump ignited a frantic week of diplomacy by Ukraine
A call by Trump to Zelenskyy and other European leaders raised concern over negotiations with Putin and set off a flurry of diplomacy ahead of the Friday summit.
Tomas Kauer - News Moderator 
A call by Trump to Zelenskyy and other European leaders raised concern over negotiations with Putin and set off a flurry of diplomacy ahead of the Friday summit.
