And we begin this hour at the United Nations where today the U.S. airstrikes in Syria are topping a crowded agenda.President Obama appealed for help in the fight against the militant group calling itself the Islamic State.The only language understood by killers like this is the language of force.So the United States of America will work with a broad coalition to dismantle this network of death.The airstrikes come against a complicated backdrop and a conflict that has divided the international community for years.NPR's Michele Kelemen reports now from the UN.Few here are questioning the need for U.S. strikes against Islamic State militants.Even UN Secretary-General Ban Ki-moon saysthe extremists that are wreaking havoc in Iraq and Syria are a threat to international peace and security.We need a decisive action to stop atrocity crimesand frank discussions on what created the threat in the first place.But there are questions about what comes next.Ban's own UN envoy to Syria, Staffan de Mistura, calls this a dangerous and delicate period.He wouldn't predict how the airstrikes might affect his job trying to find a negotiated solution to the Syrian Civil War.Fighting terrorism needs to be accompanied with a genuine process ― a political process including all Syrians.At a side meeting to drum up more aid for Syria, European officials cautioned the U.S. to take care not to hit civilian targets.But they too saw the need to break the siege of the Islamic State,