As reported by DNCNN.
Ignoring the endless times many political candidates and others have worn Irish clothes and trite mannerisms for St Patricks Day, or similar clothing and surface cultural symbols for Oktoberfest, Chinese New Year, or Jewish holidays. Or Cinco de Mayo.
Only when Trump does the same, does it become racist and bigoted.
Trump should do a commercial with video clips of all the times Hillary Clinton said that southern states should preserve the heritage of the Confederate flag, or all the times she said marriage is only between a man and a woman, or when her husband said of Barack Obama the candidate in 2008 "a few years ago, he would have been bringing us coffee!"