REYKJAVIK (Reuters) - The center-right Progressive Party will form Iceland's next government, likely to be a coalition with the Independence Party that shares its plans to end EU accession talks and cut household debt. Progressive leader Sigmundur Gunnlaugsson, who could become one of Iceland's youngest leaders at 38, has pledged an end to austerity and to return to growth five years after a spectacular banking collapse plunged the north Atlantic island into crisis. ...