Defense opposes mental exam of Tucson suspect

SAN DIEGO (AP) -- The decision to have the suspect in the Tucson, Ariz., shooting rampage undergo a psychological examination seemed obvious given the man's bizarre behavior both before and after the deadly attack. So why would Jared Loughner's lawyer try to stop something that seemingly could help his defense? Legal experts say it's not that simple: The threshold a judge uses to determine if someone is mentally competent to stand trial is extremely low - usually based on whether the person understands the proceedings and the judge and attorneys' roles. It does not address a person's mental state during...