The Egyptian prison authorities have released one of the Al Jazeera staff members in detention since July last year.<br /><br /> <br /><br /> Cameraman Mohamed Badr has been acquitted, and is now free.<br /><br /> <br /><br />But four Al Jazeera journalists still remain in custody.<br /><br /> <br /><br />The White House has now joined international calls for their release.<br /><br /> <br /><br />Al Jazeera's Patty Culhane reports.
