Hello, Can some one show me how to navigate through xml?

I am trying to have some fun with clojure and think of doing a simple
xml navigation, it seems I didn't get the basics and not know how to
do this simple thing in clojure.

For example, I try to get the user id and name of all barackobama
twitter friends. The following is as far as I can go and not know the
best way to retrieve the id and name of each user.

(let [users (clojure.xml/parse
"http://api.twitter.com/1/statuses/friends/barackobama.xml";)]
(:content users)
)

The following groovy scripts shows what I am trying to do:

def data=new 
XmlSlurper().parse("http://api.twitter.com/1/statuses/friends/barackobama.xml";)
data.user.each{u->
println u.screen_name.text()+" "+u.id.text()
}

It would do me a big favor to understand clojure if some one could
show me how to do the above thing in clojure.

Thanks
Yiguang

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