Kamala Harris signalled a major shift on US Gaza policy Thursday, with the presidential hopeful telling Israeli Prime Minister Benjamin Netanyahu to seal a peace deal and insisting she would not be “silent” on the suffering in the Palestinian enclave. Ripping up outgoing President Joe Biden’s playbook of mostly behind-the-scenes pressure on Israel, the vice president said after meeting Netanyahu that it was time to end the “devastating” war. “What has happened in Gaza over the past nine months is devastating. The images of dead children and desperate hungry people fleeing for safety, sometimes…