FULL TITLE: Nudist father facing child porn charges says naked photos of his daughters were 'familyA South Florida nudist facing child porn charges has claimed photos of his three daughters, aged 8 to 12, are family portraits. Brian Martens, who lives at a Palm Beach nudist colony, claimed there was nothing sexual about the photos, which were taken by a neighbor who has since been convicted of child pornography. Martens admits he gave professional photographer Leslie Grey Vanaman permission to take pictures of his daughters, but at least one photo was a close up of a girl's genital area, investigators...