WASHINGTON — Secretary of State Antony Blinken said Thursday in Israel that 25 US citizens are now confirmed to have been killed by Hamas terrorists and vowed that America would stand by the Jewish state — as Israeli Prime Minister Benjamin Netanyahu showed him photos of butchered and burned babies who were among the more than 1,300 slain in Saturday’s attack from Gaza. Blinken likened Hamas’ massacres to Nazi war atrocities during a Tel Aviv press conference alongside Netanyahu, who called on countries to cease cooperation with Hamas — whose political leader, Khaled Mashal, resides in Qatar. “I come before...