Published Oct 21, 2023 10:14AM ET 3/3 © Reuters. FILE PHOTO: In half a century of public life, U.S. President Joe Biden has demonstrated unwavering support for Israel. In this photo Biden is welcomed by Israeli Prime Minster Benjamin Netanyahu, as he visits Israel amid the ongoing conflict between Israe 2/3 By Matt Spetalnick, Jeff Mason, Steve Holland and Patricia Zengerle WASHINGTON (Reuters) - When Joe Biden met with Prime Minister Benjamin Netanyahu and his war cabinet during his visit to Israel, the U.S. president assured them: "I don't believe you have to be a Jew to be a Zionist,...