He voted for Obama's Iran deal back in 2015.
He's been lagging behind most of the other contenders in raising money for the 2020 presidential race because the plethora of Jewish groups that propped up this phony dope and financed his Senate campaigns have basically disappeared.
I suspect this pandering has nothing to do with the 2020 presidential election and is nothing more than a desperate attempt to get these backers behind him again for his 2020 Senate campaign.