If the Syrian border town of Kobane falls, IS will control a long stretch of the Syria-Turkey border, threatening the security of the Kurdish-majority area. US-led airstrikes haven't stopped the advance.
Islamic State forces reportedly have surrounded a Turkish exclave in Syria where the grandfather of the founder of the Ottoman Empire is entombed. Turkey's Parliament is expected Thursday to authorize the deployment of troops to confront IS forces.
Efforts to expand the anti-Islamic State coalition include the debate in Britain's Parliament, deliberations in Denmark and Belgium, and US overtures to Turkey. US and French jets struck IS oil targets overnight in Syria.
Anti-American sentiment is rising in Turkey. Already Erdogan has used state resources to dig into business matters of a US-based Islamist preacher who is a political rival.
Israel is preparing to export a portion of its offshore natural gas reserves. The resulting business partnerships could hurdle political obstacles to better relations with neighbors.
Turkey has prospered under the controversial prime minister. But his modernization agenda has also fueled opposition to his rule and exposed his autocratic style.