I didn't say they were all plants. I said that it's a very reasonable suspicion. And of course there are always people in most crowd who get hyped up and respond to that kind of invitation. And even if they are sincere, they are still doing the same job as if they were plants.

Will it make any difference? This time maybe more than most. Normally marches are minority affairs, tryingto get get the message across to a public that is indifferent or hostile. This time most people are sympathetic to the marchers. There are two national newspapers supporting it - The Guardian and The Mirror. And outside Parliamnet, most of the Labour Party members are against the policy if the Government - not to mention the enormus numbers of people who have torn up their membership cards.