KELEMEN: But he's not telling Israel to stop the bombardment. President Biden has talked about a pause to get hostages held by Hamas out of Gaza. Blinken has talked about the need for limited pauses to get aid into Gaza and allow Americans to get out. It's tricky diplomacy not just with Israel, but with regional partners, says Brian Katulis of the Middle East Institute.

BRIAN KATULIS: Here we are almost four weeks into the conflict, and we haven't seen major improvements in the safety and security of Palestinians. We still have mixed results on getting American citizens out of Gaza. So it - I think it doesn't bode well.