Seated alongside Prime Minister Benjamin Netanyahu in Israel on Wednesday, President Biden backed Israel's denial of responsibility for an explosion at a hospital in Gaza City, and expressed the United States' unwavering support for the Jewish people. Hamas has blamed Israel, while Israel has vehemently denied any involvement and says a rocket misfire from the group Islamic Jihad is to blame. Exactly what did happen has not been independently verified. Officials in the Hamas-run territory say the blast killed hundreds of people, but no death toll has been verified, and emerging images of the hospital in daylight suggest it was...