Defense: The administration decision to scrap a proven aircraft in favor of a supposedly cheaper, more flexible replacement is proving to be an expensive mistake. We may wind up defenseless and broke. The F-35 Joint Strike Fighter that was supposed to be America's frontline fighter for the foreseeable future is in big trouble. Defense Secretary Robert Gates fired the general in charge of the program this week amid concerns of spiraling costs and program delays. Gates also announced he is withholding $614 million in fees from the prime contractor, Lockheed Martin. Daniel J. Crowley, one of Lockheed Martin's project managers,...