Priti Patel may well be the most despicable politician of my lifetime. She seems to be motivated only be her own mean-spirited avarice and cruelty. And yet even she has surpassed herself in heartlessness with a new bill intended to guarantee desperate people drown in the channel. She even plans to imprison anyone who rescues them from their fate. How can this travesty of a human being attain the position of Home secretary?