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http://www.publicradio.org/columns/mark ... erial.html

Is there any way to block the pre-roll on this audio clip and the sponsor box under the player?

Added (https://hg.adblockplus.org/easylist/rev/4b9c06e3b6ad) I am afraid that I am not currently able to find a method through which I may block the pre-roll advert...