Former Conservative MP Sir Alan Duncan has criticised the Conservative Party after an internal investigation cleared him of an antisemitism complaint, which he labelled a “McCarthyite witch hunt”. The MP, who held two cabinet posts during the previous Conservative government, was accused of making antisemitic comments during an interview on LBC with Nick Ferrari earlier in April. During a press conference hosted by the International Centre of Justice for Palestinians (ICJP), Duncan labelled the investigation “a political scandal which discredits the Conservative Party, and which amounts to a M…