Caravan: Trump admits ‘no proof’ of his ‘unknown Middle Easterners’ claim

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President Trump, confronted about his claim that “unknown Middle Easterners” are embedded in the migrant caravan moving toward the U.S. border, admitted he has no evidence to back up his remark. Critics argued his claims are part an effort to stoke fears and motivate his base ahead of the midterm elections. NBC’s Peter Alexander reports for TODAY.