ABC Online | Wool leaders face Senate Estimates grilling amid industry claims of 'toxic culture' ABC Online Chairman Wal Merriman (L) and chief executive Stuart McCullough are expected to receiving a grilling. (ABC Rural: Sarina Locke). Share. Share on Facebook · Share on Twitter · Share on WhatsApp; Print; Mail; Other share options. Reddit · Tumblr ... Wool industry chiefs face Senate grilling |