Having recently joined her competitor Francois Fillon in facing the French legal system over possible embezzlement charges of her own, after her chief of staff and bodyguard were detained by police last week, the push to isolate and crack down on the anti-establishment presidential candidate moved to the European Parliament where EU lawmakers lifted Le Pen's EU parliamentary immunity on Thursday for tweeting pictures of Islamic State violence. Le Pen is under investigation in France for posting three graphic images of Islamic State executions on Twitter in December 2015, including the beheading of American journalist James Foley. Le Pen's immunity...