TOKYO, Japan (AFP) — NATO chief Jens Stoltenberg called North Korea a “global threat” Monday and said he backed tighter sanctions against it during a visit to Japan, which has been targeted by Pyongyang’s provocations. Stoltenberg is in Tokyo to meet Prime Minister Shinzo Abe and other senior officials including defence minister Itsunori Onodera later in the day. “We are as concerned as you are about the provocative, reckless behavior from North Korea,” he said […]