Helen Glover and Heather Stanning: Brutal honesty drives 'sisterly' success
Helen Glover and Heather Stanning say "brutal honesty" lies behind their incredible partnership.
The duo extended their unbeaten record to 28 races to retain their world title, streaking clear of New Zealand and USA on Lake Aiguebelette in France to preserve a four-year unbeaten run in the women's pair.
Glover and Stanning have already qualified for the Olympics in Rio next summer.
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