U.S. draws foreigners in search of human eggs Several clinics on the West Coast report increasing numbers of women from Asia, Canada and Australia seeking fertility help Tuesday, December 21, 2004 SAN FRANCISCO -- The building occupies a piece of prime real estate in one of America's most beloved cities, just blocks from North Beach and Fisherman's Wharf. But the address, in the shadow of Coit Tower, is not in any guidebook. And though the visitors to the salmon-colored structure at 55 Francisco St. carry tourist visas in their passports, sightseeing is only marginally on the agenda. The dozens of...