(Reuters) – A corruption scandal has been rocking the European Parliament since Belgian authorities raided parliament offices two weeks before Christmas. Four people – all affiliated with the chamber – have been charged over allegations Qatar lavished them with cash and gifts to influence decision-making. The European Parliament said on Monday it had begun a procedure to waive the immunity of two other MEPs after a request from Belgian judiciary. Qatar has denied wrongdoing. In arrest warrants issued in Italy, there are also allegations of payments from Morocco. Morocco has not officially comm…