U.S. visitor visas for the countries named in the three travel ban insurance policies have plummeted since Trump took office, despite intermittent court docket injunctions. The most recent version of the policy imposes a range of restrictions towards travelers from six Muslim-majority nations — Chad, Iran, Libya, Somalia, Syria and Yemen. Visitors from North Korea also are barred, as are some government officials from Venezuela. It’s unclear whether or not the drop is due to fewer individuals making use of or more rejections of functions. The State Department furnishes data on what number of visitor visas are granted per nation, …