Foreign. Correspondent Back And âHas a Nice Dayâ
Article by Paul Hofmann, who has been NY Times foreign correspondent for 32 yrs, offers comparisons between NYC and various W Eur big cities on occasion of his return to NY; finds NYC inexpensive compared with W Eur and New Yorkers in gen more courteous and well-informed; finds multiracial NY 'eminently relaxed' after having lived through recent terrorism in W Ger and Italy; sees NYC as no dirtier than Eur cities; NYC skyline illus (M)