Trump's next defense secretary must know how to work with his State Department

With clear threats to our national security from current political instability in Syria, Afghanistan, and Venezuela, to rising Chinese influence in the developing world, few decisions are as consequential as the selection of the next secretary of defense.

Since Gen. James Mattis resigned in December, the top position at the Pentagon has remained vacant. While it is imperative to find and confirm a replacement soon, both President Trump and Congress must carefully consider who they select as the next leader of the Pentagon.