By Iain Rogers MADRID, April 30 (Reuters) - If Barcelona require extra inspiration as they prepare their bid to overturn a 4-0 Champions League semi-final deficit at home to Bayern Munich on Wednesday, they need look no further than La Liga rivals Deportivo La Coruna. Depor pulled off one of the most sensational comebacks in Europe's elite club competition back in the 2003-04 season when they thrashed AC Milan 4-0 in their quarter-final second leg in La Coruna to shock the reigning continental champions and progress to the last four 5-4 on aggregate. ... More...