Pull news from an RDF Feed using Ruby and Nokogiri?

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I would like to pull the \[code\]title\[/code\]and \[code\]description\[/code\] fields from the newsfeed at \[code\]http://www.tagesschau.de/newsticker.rdf\[/code\] to feed them to the Mac's Text-to-Speech engine.My search for a nice Ruby Gem to do this has brought me to \[code\]Nokogiri\[/code\], but all examples that "pull something out" of a given XML seem to be centered around CSS somehow.Does anyone have any idea how to save the \[code\]title\[/code\]and \[code\]description\[/code\] fields in an array?