WASHINGTON - President Bush's second inauguration will cost tens of millions of dollars — $40 million alone in private donations for the balls, parade and other invitation-only parties. With that kind of money, what could you buy? _200 armored Humvees with the best armor for troops in Iraq. _Vaccinations and preventive health care for 22 million children in regions devastated by the tsunami. _A down payment on the nation's deficit, which hit a record-breaking $412 billion last year. _Two years' salary for the Mets' new center fielder Carlos Beltran, or all of pitcher Randy Johnson's contract extension with the New...