Leigh Halfpenny gives Wales priceless lowdown on France for Six Nations

• Injured full-back joins Wales camp as part of rehab from Toulon• ‘The knowledge he can share about French mindset is invaluable’Leigh Halfpenny will not be able to play for Wales in the Six Nations as he recovers from the knee injury that ruled him out of the World Cup but the full-back has been in camp this week providing inside knowledge before next week’s match with France at the Millennium Stadium.Halfpenny is in his second season with Toulon and expects to return for the European Champions Cup holders next month. He has been with Wales as part of his rehab while the squad’s other player…