BEIJING (Reuters) - China promised on Monday to respond positively to the United States in high-level economic talks this week but drew a line in the sand by telling Washington that its exchange rate is a matter of national sovereignty.	TOKYO -- Nissan Motor Co. announced plans Monday to launch a next-generation fuel cell vehicle in the early 2010s in Japan and North America as part of its mid-term environmental strategy.	Metro faces a $116 million budget shortfall the next fiscal year, raising the possibility of fare increases, reduced bus and rail service and higher contributions from area taxpayers, according to budget documents and interviews with board members.
Two weeks after she started to work at Catholic Relief Services in 2004, Jennifer Munthali decided to tell her boss that she was HIV positive.	In the summer of 2003, shoppers in Southern California began getting a break on the price of milk.	Congress yesterday passed the broadest overhaul of the rules that govern the U.S. fishing industry in a decade, with provisions instructing fishery managers to adhere strictly to scientific advice so as not to deplete the ocean.