Strongly worded emails are not doing it. Appeals to MPs are not doing it. Taking to the streets in our hundreds of thousands with banners and placards is not working. Elected representatives from every party in parliament have stood in the Commons and asked the government to act. Some government ministers themselves have condemned Israel’s starvation of Palestinians in Gaza. Every poll of public opinion shows that the nation demands we stop arming Israel, and wants to see an immediate, unconditional and permanent ceasefire. But none of these things are working. Keir Starmer and his cabinet remain impervious to all...