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12th October 2015
05:40pm BST

Walsh, who is referred to as "Little Troll" by the controversial former professional cyclist, was one of the journalists who led the way in exposing the systematic doping within the sport of cycling, in particular the US Postal Team and its leader, Lance Armstrong.
Starring the brilliant Ben Foster as Armstrong, The Program also stars Irish actor Chris O'Dowd as Walsh himself, following the journalist as he hunts for the crucial evidence he needs to expose Armstrong.
Check out the cracking trailer for the big screen adaptation here:
https://www.youtube.com/watch?v=eXfp859pcM0
Clip via STUDIOCANAL UK
So get your questions ready and we'll see you on Twitter on Tuesday 13 October at 2.30pm.
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