For the third time this year, terrorist bombs exploded in Vladikavkaz, the capital of North Ossetia, a republic in the Russian Federation. The first, in March, killed more than sixty and injured 150; the second left one dead and injured fourteen; last week’s blast injured eleven…. Herbert Gregg, an American missionary, was freed after seven months’ captivity in Chechnya. Russia’s Interior Minister Vladimir Rushailo credited the “efforts of professionals” and denied the payment of any ransom.