The U.S. president faces pushback over the risk of U.S. involvement in the escalating conflict between Israel and Iran.

Trump arrived at the White House early Tuesday at a moment of choosing in his presidency. Israel, with five days of missile strikes, has done considerable damage to Iran and believes it can now deal a permanent blow to Tehran’s nuclear program — particularly if it gets a little more help from the Republican president.

Donald Trump was shaking hands at a picnic with lawmakers after pushing for more diplomacy with Iran. Israel ignored his pleas.