A number of civil rights groups filed a lawsuit against the state of Iowa on Thursday for passing a law allowing authorities to arrest and detain some illegal immigrants. SF 2340, signed by Republican Gov. Kim Reynolds, grants local and state law enforcement the ability to arrest and press charges against illegal immigrants who have outstanding deportation orders, or who have reentered the U.S. after being previously deported or denied access to the interior of the country. The American Civil Liberties Union (ACLU) of Iowa and the American Immigration Council are suing Iowa over the law on cla…