has been U.S. policy for decades, under both Dem and GOP administrations...and there are substantial numbers of Israelis who agree with this...furthermore, Democrats have consistently pledged their support for Israel's security, while at the same time not ignoring the humanitarian needs of the Palestinians...seems like the right thing to do...unless you are a card-carrying Zionist.
Link: https://www.vox.com/policy-and-politics/22442052/israel-palestine-two-state-solution-gaza-hamas-one