June 21, 1999

Pres Clinton and Pres Boris N Yeltsin meet in Cologne, Germany, and reportedly to agree to put aside ill feelings generated between US and Russia by war in Kosovo; Clinton says the two countries are in position to have stronger relationship than before conflict started; leaders focused on Russian economy, Moscow's sharing of nuclear technology and arms control; issue joint statement agreeing for first time to begin discussions on changes to linchpin accord on nuclear weapons between two countries--something Clinton has desired; photo (M)

Soon-to-be-chosen replacement for late Elizabeth Tilberis as Harper's Bazaar editor in chief must contend with problems that include dwindling advertising pages, snazzy competition and sluggish growth in fashion advertising, as well as potential end of era for high-fashion glossy; tables comparing leading fashion magazines; photos (M)

Bull escapes from illegal rodeo in parking lot of 30-30 Club in Queens and charges through streets of Long Island City before police officers shoot it dead in housing project parking lot; city and American Society for Prevention of Cruelty to Animals issue summonses to Fernando and Lazarro Navarro, rodeo's organizers, for having wild animals without proper permits; map; photo (M)

Fan Fair at state fairgrounds, Nashville, Tenn, annually gives country music stars venue for meeting directly with fans; some big stars skip this year's event, hurting attendance; nearly 200 country singers take part; photos (M)

Major electronic commerce Web sites, supported by huge technological undertakings that can involve hundreds of computers, thousands of miles of network cable, hundreds of software programs and dozens of engineering employees, have numerous points of vulnerability; challenge most often arises from assembling collection of cutting-edge technology that often was not designed with rapidly growing E-commerce traffic in mind; systems, despite crashes, have proven surprisingly reliable; graph; photo (M)