The following puzzle appeared in THE ECONOMIST, JULY 8th 1995. Link the asterisks by four lines without lifting your pen. * * * * * * * * * Answer will be given next Sunday. Fikret Ceyhun Dept. of Economics e-mail: [EMAIL PROTECTED] Univ. of North Dakota voice: (701)777-3348 office University Station, Box 8369 (701)772-5135 home Grand Forks, ND 58202 fax: (701)777-5099