A final composite fuselage section that was to be used in certifying The Boeing Co.'s 787 Dreamliner failed during manufacturing, sending engineers scrambling to keep the company's all-important new jetliner program on schedule. Mike Bair, vice president and general manager of the 787 program, said in an interview Thursday that the failure will not sidetrack the program, and the first planes should still be delivered on time to All Nippon Airways of Japan in mid-2008. But the problem -- first reported by Business Week -- shows the kinds of risks that Boeing faces at a time when the 787 program...