The former US ambassador to Germany, John Kornblum, died on Thursday. He was 80. He died in Nashville in the Us state of Tennessee, dpa learned from a family friend on Friday. The German newspaper Tagesspiegel first reported the news. Kornblum was US ambassador from 1997 to 2001, first in Bonn and then in Berlin. Even after his career in the service of the US State Department, Kornblum repeatedly commented on current political issues. The trans-Atlanticist regularly appeared as an expert on Germ