U.S. Rep. Vern Buchanan, R-Fla., is calling on President Barack Obama to have an overarching strategey" again Islamic State (IS) terrorist forces.

Now is the time for the president to articulate an overarching strategy to defeat IS and explain how he intends to build a greater international effort that does not rely on American combat troops, Buchanan said on Tuesday. The leadership vacuum in the White House must be replaced by a clear and coherent vision."