According to Business Insider, "President Donald Trump marked the four-year anniversary of his famous June 2015 escalator ride that kicked off his presidential campaign."His first campaign event is extremely controversial, because it was reported that his apparent anti-immigrant supporters were paid extras.Former Trump campaign manager Corey Lewandowski responded to the controversy by saying, "You know Donald Trump.There is nobody who believes that when Donald Trump goes somewhere he does not generate the biggest, largest, and most rambunctious crowds on the planet."