OULU, Finland (Reuters) - American Justin Howard, alias Nordic Thunder, was crowned world champion air guitar player late on Friday in the northern Finnish city of Oulu, narrowly ahead of his compatriot Matt Burns, or Airistotle. Howard, looking like a Viking warrior in his leather tunic, gave an energetic performance that including sliding across the stage bare legged, and won the title with a score of 34.6 points, just ahead of Burns who got 34.4 points. ...