Swiss Forum Has Its Focus On Memories From Seattle
World and business leaders gathered in Davos, Switzerland, for World Economic Forum repeatedly cite demonstrations that disrupted World Trade Organization's Seattle meeting as threat to globalization they have long championed; Mexican Pres Ernesto Zedillo laments sudden emergence of 'globaphobia,' international force that has singled out global integration as primary cause of environmental and social problems; other participants agree that while sharing goods and ideas across national borders still makes economic sense, trend has run into moral and political roadblocks that may be difficult to overcome; politicians hold global institutions, including United Nations and International Monetary Fund, are not up to task and need basic reform; photo (M)