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.
Like squabbling kids, companies and workers have argued over the Family and Medical Leave Act ever since the law was passed in 1993.	First it was spinach. Then tomatoes. Now possibly green onions.	Members of the Kensington-based Lafayette Federal Credit Union have until Saturday to vote on whether to turn the tax-exempt, depositor-owned institution into a for-profit, stockholder-owned bank. As advocates on both sides try to rally the 16,000 members to vote, others are conducting a parallel...