Scores of lawmakers from U.S. President Joe Biden's Democratic Party told him on Friday that they believe there is sufficient evidence to show that Israel has violated U.S. law by restricting humanitarian aid flows into war-stricken Gaza. A letter to Biden signed by 86 House of Representatives Democrats said Israel's aid restrictions "call into question" its assurances that it was complying with a U.S. Foreign Assistance Act provision requiring recipients of U.S.-funded arms to uphold internatio