Slowly but perceptibly, the relentless flow of images of horror and suffering from Gaza is hardening opposition to Israel’s actions there, even among those traditionally considered the country’s staunchest supporters. The shift will be unacceptably slow for anyone desperate to stop the killing, while it appears to have had little effect as yet on the brutal tactics of Israeli forces. But it represents a change of attitude among international political leaders and their voters that could have far-reaching consequences for the region. A YouGov poll this week showed support and sympathy for Israel in western Europe at its lowest ever...