Obama's anti-terror strategy suffers setback in Yemen

President Barack Obama has pointed to Yemen to boast that his new global anti-terror strategy was thriving.

But with Iranian-backed rebels now overrunning the U.S. ally tasked with beating back local al Qaeda affiliates, the nation at the tip of Arabian Peninsula makes a better case study in the approach's limitations.

Yemen was the petri dish for Obama's concept of how to fight Islamic extremists with a hybrid warfare of U.S. drone