By Giles Kenningham In this column, former No 10 advisor Giles Kenningham analyses the worst comms screw-ups of the election campaign. So what took the prize for the worst PR gaffe this week? Week three and the missteps are still coming thick and fast on the campaign trail – from all sides. Some of this is no doubt due to the chaos of a snap election and corners being cut. There is nothing more to be said about Sunak’s D-Day master catastrophe. But he’s not been alone when it comes to cock-ups. Keir Starmer labelled the Tory manifesto a “Corbyn-style” one where “anything can go in it”, only fo…