[JURIST] A US Army [official website] panel of experts on Friday declared Pfc. Bradley Manning [advocacy website; JURIST news archive] competent to stand trial for leaking a controversial classified video [YouTube video] of a 2007 US helicopter strike in Iraq and classified State Department [official website] documents on Wikileaks [website] last year. It took a panel of psychiatrists nearly nine months [CBS report] to determine Manning’s competency. Manning was transferred [DOJ press release; Kansas Star report] last week from pre-trial…