JAKARTA, Indonesia (AP) -- Three militants awaiting execution for the 2002 Bali bombings plan to challenge the legality of death by firing squad, but it was unclear if the move would lead to a last-minute stay, their lawyer said Tuesday. Imam Samudra, one of three militants sentenced to death over the 2002 Bali nightclub bombings. Mahendradatta, who goes by a single name, said he would file a petition next week at the Constitutional Court arguing that convicts who go before a firing squad sometimes do not die immediately, causing unnecessary suffering. "We're seeking an execution without pain," said the lawyer,...