By Sarah N. Lynch WASHINGTON (Reuters) -Defense attorneys for two men accused of impersonating federal law enforcement agents and supplying Secret Service personnel with gifts asked a U.S. judge on Monday to release their clients from jail pending trial, saying the government’s case was flimsy and lacked evidence they pose a threat. Prosecutors “have jumped to the wildest conspiracy theories imaginable,” said Michelle Peterson, an attorney representing Arian Taherzadeh, 40, who is accused along with Haider Ali, 35. The two men were arrested last week for impersonating Department of Homeland Se…