Before President Obama's news conference Tuesday, he met with his predecessor George H.W. Bush. They could have traded war stories about budget fights. Obama was about to talk about the one he was starting. The 41st president could have talked about the fights that finished him politically. Or he could have offered a warning based on a question he received at a town hall debate during the 1992 campaign. Bush, Bill Clinton, and Ross Perot had been squabbling about how to reduce the...