Senator Chuck Grassley is demanding answers from the Department of Homeland Security (DHS) after a Pakistani national, Asif Raza Merchant, who was on a federal watchlist, was granted immigration parole and later arrested for plotting to assassinate high-ranking U.S. officials, including former President Trump. The plot, allegedly backed by Iran in retaliation for the killing of General Qasem Soleimani, involved Merchant working with undercover agents posing as hitmen. Grassley is questioning wh...