TEGUCIGALPA (Reuters) - Rejecting the return of ousted President Manuel Zelaya, Honduras' interim leaders dug in for a fight on Thursday after governments across the region demanded the deposed leftist be restored to power. In the worst crisis in Central America in a decade, Zelaya was toppled by troops and whisked out of the country on the weekend in a widely condemned coup after he angered opponents with plans to amend the constitution to lift term limits. The Organization of American States on Wednesday issued a weekend deadline for the interim government to reinstate Zelaya, in a standoff that is...