article_snippet: Overseas interaction: Scott Walker's also called for a stronger U.S. foreign policy, calling 'radical Islamic terrorism' the greatest security threat facing America .
article_snippet: Scott Walker's also called for a stronger U.S. foreign policy, calling 'radical Islamic terrorism' the greatest security threat facing the United States.
highlights_snippet: Scott Walker's also called for a stronger U.S. foreign policy, calling 'radical Islamic terrorism' the greatest security threat facing the United States .
  