WASHINGTON - House Democrats pressed ahead Wednesday with a budget plan predicting a sizable surplus in five years, but only if President Bush's tax cuts expire in 2010 as scheduled. The majority Democrats' $2.9 trillion budget outline for next year would produce a $153 billion surplus in 2012 while raising spending for veterans, education, defense and national security. Democrats say the plan would finally mean a surplus after years of red ink under Bush and a GOP-controlled Congress. Republicans said allowing tax cuts passed in 2001 and 2003 to expire in 2010 would amount to the "largest tax increase in...