The main challenger to President Karzai accused him yesterday of rigging last week’s Afghan presidential election as investigators began wading through hundreds of complaints that could leave the country in political limbo for more than three weeks. However, Abdullah Abdullah told The Times that he would challenge alleged fraud only through legal channels, rather than calling his supporters out in protest, and would accept defeat if it was ultimately confirmed by election bodies. His moderate stance — after talks with US officials — eased short-term fears that the country could split along ethnic lines and erupt in protest after Mr...