WASHINGTON (AP) - Last year's $787 billion economic stimulus bill is going to be even more expensive—$75 billion more. That's the finding in a Congressional Budget Office estimate of the costs of the economic stimulus bill, which mixed tax cuts and lots of spending in an effort to jump-start the economy. The reason for the higher estimate of the recovery bill's price tag is chiefly that unemployment benefits are costing more. Plus, stimulus-subsidized bonds to pay for infrastructure projects are more popular than expected with state and local governments. Republicans have long blasted the stimulus for being long on spending...