The $5.3 billion boost in Mine Resistant Ambush Protected vehicle spending requested by the White House yesterday is merely a down payment toward the total amount the Pentagon will require for MRAP production in the next fiscal year, providing only enough money to purchase less than a fifth of the blast-proof trucks the Defense Department plans to buy, according to the administration. The White House yesterday sent Congress a 14-page justification for the $5.3 billion increase to the fiscal year...