In 2010 John McDonnell insisted he was “sorry” for saying he would like to go back in time and assassinate Thatcher. Readers will be stunned to learn his apology might not have been genuine. New YouTube footage, which has only been viewed 45 times, shows McDonnell speaking in 2014. He once again repeats his bizarre obsession with killing Maggie, to cheers from an audience of trade unionists. The dreadful Angela Rayner, who is now the Shadow Education Secretary, bursts out laughing. Shame his mates used to take it seriously…