NEWPORT, Wales (AP) -- President Barack Obama and British Prime Minister David Cameron pressed fellow NATO leaders Thursday to confront the "brutal and poisonous" Islamic State militant group that is wreaking havoc in Iraq and Syria - and urged regional partners like Jordan and Turkey to join the effort as well.<br />
As leaders of the Western alliance gathered for a two-day summit, Obama and Cameron worked to begin forming a coalition of nations that could combat the extremists through military power, diplomatic pressure and economic penalties.<br />
"Those who want to adopt an isolationist approach misunderstand the nature of security in the 21st century," they wrote in a joint editorial published as the meetings began. "Developments in other parts of the world, particularly in Iraq and Syria, threaten our security at home."<br />
While some NATO leaders talked tough about the threat posed by the Islamic State group, the alliance made no specific pledges of action. NATO Secretary-General Anders Fogh Rasmussen said he believed the broader international community "has an obligation to stop the Islamic State from advancing further" and would seriously consider requests for assistance, particularly from the Iraqi government.