JOHN BOLTON: Scott Walker underestimated on foreign policy

Republican presidential contender Gov. Scott Walker is seen as a top presidential pick with one big weakness: a lack of foreign policy experience. As a Midwestern governor critics say he hasn’t built the foreign policy chops necessary to lead in our tumultuous world, but former U.S. Ambassador to the United Nations John Bolton has one thing to say to those critics.

You’re underestimating him.