A massive dock that landed this week on Agate Beach more than a year after the Japan tsunami ripped it from its moorings is raising all kinds of questions about how to dismantle it and what to do with countless organisms that hitched a ride onboard.
But none of the questions is quite so vexing as this: How does something 66 feet long by 19 feet wide by 7 feet tall float thousands of miles across the Pacific Ocean without anyone seeing it?
