Turkey's Border Bother: Ankara wary of emboldened Kurds (part 2)

Could Turkey be preparing to intervene in Syria? The president chaired a national security council meeting on Monday after fiery remarks last Friday. The same Erdogan was accused of sitting idle when IS militants seized the town of Kobani last year. But after a string of successes by Kurds against IS, he is springing into action over the prospect of a Kurdish state on its border. Would a buffer zone be enforceable? And how would it sit with the US, which backs Kurdish fighters with air strikes?