Trump’s immigration rhetoric makes inroads with some Democrats. That could be a concern for Biden

As he runs for president a third time, Trump has increased his attacks on immigrants in speeches and online postings, characterising them as dangerous criminals who are 'poisoning the blood' of the United States The video, which was posted by the previous president Donald Trump, includes footage of migrants allegedly entering the US from China, Cameroon, and Afghanistan as well as soundtrack from horror films. Videos of violent crimes and shots of tattooed guys are juxtaposed with close-ups of individuals waving and covering themselves with American flags. Advertisement "They're coming by the thousands," Trump says in the video, posted on…