Greece offers conditional okay to bailout, Germany skeptical

By Renee Maltezou and Alastair Macdonald ATHENS/BRUSSELS (Reuters) - Prime Minister Alexis Tsipras has told international creditors Athens could accept their bailout offer if some conditions were changed, but Germany said it could not negotiate while Greece was headed for a referendum on the aid-for-reforms deal. In exchange for the conditional acceptance, the leftist leader, who has so far urged Greeks to reject the bailout terms in a referendum planned for Sunday, asked for a 29 billion euro l