Saying spending is poised to grow more than 50% faster than revenues, the state's chief budget analyst called on lawmakers Wednesday to immediately begin cutting government programs or raising taxes to address a budget shortfall that has ballooned to $10 billion. Nonpartisan Legislative Analyst Elizabeth G. Hill, whom lawmakers of both parties look to for guidance on fiscal matters, said the cooling housing market, high energy prices and a batch of overly optimistic assumptions in the last budget are hitting state coffers hard. "The Legislature should start now" curbing spending and finding new revenue, she said. "All the easy solutions...