"...Now, as the three-month trial of eight defendants draws to a close, prosecutors indeed have presented evidence of meticulous planning, with experiments on a new kind of bomb, research into plane schedules, videos threatening martyrdom, an apartment purchased for more than $270,000 in cash and a mysterious outsider with strong ties to Pakistan. But the testimony has shown little evidence that the suspects were prepared to strike immediately, or of any link to Al Qaeda — potential vulnerabilities in the case that several defendants have tried to capitalize on in court..."