The meeting, which also included Secretary of State Marco Rubio, was the first encounter between Vance and Zelensky since a heated Oval Office session in February.
At a time when they need to be looking forward, Democrats are having to revisit the question of why they didn’t call on the then-president not to seek a second term.
The nation’s top health official, Robert F. Kennedy Jr., faces questions from lawmakers on his response to the measles outbreak and plans for budget cuts.