A bipartisan group of lawmakers will reintroduce major legislation on Friday to overhaul the federal government's aging computer systems, but with a significantly scaled back dollar figure to keep it from stalling like it did at the end of last year, according to the bill's sponsor.The bill is a first step, and the biggest step in this Congress, toward slashing wasteful federal information technology spending that costs taxpayers an estimated $80 annually and that leaves decrepit systems vulnerable to hackers.Such outsized expenses — 80 percent of which are simply for maintenance — have been a target of both Republicans and Democrats in recent years.Vitally, the legislation comes with a White House stamp of approval, lead sponsor Rep.