Today’s Sun says whips across several parties are aware of up to six “serious sleaze cases” involving sexual harassment by MPs, and quotes a Labour source saying “there will definitely be resignations and by-elections if the dam breaks”. In the past 48 hours Guido has become aware of the identities of two Labour MPs facing sex pest allegations. If you are a victim of one of these Weinsteins of Westminster and want to help us expose them, get in touch in confidence or call 0709 284 0531…