New Yorkers were last night preparing to face an underground and bus strike that would paralyse America's largest city. Public transport workers and their union, threatened by huge fines if they carry out plans for a stoppage, appeared in little mood for compromise in round-the-clock talks with management. Fearing chaos, Christmas shoppers stormed the shops over the weekend, snapping up presents for the holidays before this morning's scheduled start for industrial action - the first in two decades. The stoppage could be cripplingly expensive for striking staff. Under state law, public sector workers who take industrial action are fined two...