mplayer ??

[boricua]

i cant seem to view or listen these segments with firefox ubuntu
keep getting several errors or not able at all
can someone help
i tried totem.mplayer and relaudion but none work 
trying to listen or watch interview with pablo alarcon from cuba
	
http://www.democracynow.org/article.pl?sid=06/08/02/1434239
http://play.rbn.com/?url=demnow/demnow/demand/2006/aug/audio/dn20060802.ra&proto=rtsp&start=18:24