, and it wawas gog toto impapact the fututure of a all e rivers, and alall the wateters n the united statates the same time, george wolfe was planning to do this kind of tongue-in-cheek trip down the entire length of the l.a. river. so, he became a kind of pivotal question mark k on whether this could be decicided on a technhnicity, essentialally. if he couould prorove that the river's naviigable, that was all that it was going g to take. but it was a aind of absururd shot n the e dark. >> maybe in an hohour or s so fm now,w, people in k kayaks are gg to be setting g off down the e s angeles riviver, on a trip supposed to promote the recreational use of the river, and also to prove that it can be navigated. joining me fromom the, uh, about-t-to-launch h kayak centrs george wolfe, who is coordinator of the los angeles river expedition. what is the appeaal for you of the l.a. river? >> you k know, water's sucuch a fundamental thing, and dear t to us, and necessararforr all of us. . and so, we fl l lie that we're j just kind of, you know, figighting this fight for--for eveverybody, includuding t