WASHINGTON - President Bush submits a $2.9 trillion spending request today to Capitol Hill that seeks billions of dollars more to fight the Iraq war and tries to restrain the spiraling cost of the government's big health care programs.Responding to the new political realities of a Democratic-controlled Congress, Bush will propose balancing the budget in five years. Democrats charged that Bush wants to make painful cuts across a wide swath of government programs to protect his tax cuts and to keep funneling money to the unpopular Iraq war. "It just gives you sticker shock. Every time you turn around it's...