Instead, immigration has emerged as one of Trump’s strongest issues in public polling, reflecting both his grip on the Republican base and a broader shift in public sentiment that is driven in part, interviews suggest, by anger at the policies of his predecessor, Democrat Joe Biden.

T here has been concern that President Trump’s immigration crackdown would one day extend beyond undocumented immigrants to target U.S. citizens. The arrest of Mohsen Mahdawi, a

President Trump’s approval rating on immigration, one of his core campaign issues, has slipped into negative territory since February, according to a survey released on Friday.