OLYMPIA, Wash. - State tax collectors are unexpectedly busy across America, and many states have built strong reserves that exceed Wall Street's recommendations. Yet lawmakers and governors are worried. A new report from the National Conference of State Legislatures says state budgets are in the best shape in five years, thanks to "robust" tax collections and tough budgeting. Collectively, the states have reserves of 7 percent, almost twice what they projected and well above the 5 percent cushion that Wall Street suggests. But the same report, released Wednesday at the legislative group's convention in Seattle, said the pressure to spend...