An absurdly expensive high speed rail plan that we could've done 7 times over if we didn't blow the money on the Excellent Iraqi adventure.
Selfish desires aside, to the extent that we'd spend that much money on upgrading inter-city rail, I'd spend most of it elsewhere, and my preferences would be to blow a bunch of money on improving intra-city transit in many places. But as we see $100 billion as an impossible expenditure, we should remember that the military wants another emergency supplemental bill for $33 billion...