Why you could give away enough ObamaPhones and EBT cards to run SE DC for a month may two depending on how much kickback the RATs would demand.
Or you could bury every electric line in the country, provide decent lighting for all highways in the country, or build something like NAWAPA so there would never be another drought west of the Mississippi.....
[if anybody were ever to spend a trillion dollars intelligently, as oppoosed to spending it on bank bailouts or fat-cat-pocket-lining tech like the F35....]