As violent riots grip France, British political leader Nigel Farage warned Americans against repeating what he described as Europe's mass immigration failures, arguing that years of unchecked migration have transformed European cities and fueled unrest that could eventually spread elsewhere."People like me who were warning about this years ago have sadly been proven right, but the problems are gonna be here for a very, very long time," Farage told Fox News Digital in an interview. "Please, please don't make the same level of mistakes that we have," he said in his message to Americans.Violent r...