President Trump’s decision to strike Iran’s nuclear sites was a “bold and good move,” retired Gen. Barry McCaffrey told MSNBC’s Nicolle Wallace on Saturday, but warned that the U.S. was now at war with Iran. President Trump’s decision to strike Iran’s nuclear sites was a “bold and good move,” retired Gen. Barry McCaffrey told MSNBC’s Nicolle Wallace on Saturday, but warned that the U.S. was now at war with Iran.