By Julien Pretot ALBI, France, July 5 (Reuters) - Team Sky locked up the mountain stages last year to help Bradley Wiggins win his maiden Tour de France title yet all the signs point to a different strategy this year with Chris Froome in charge. This year's first mountain test comes on Saturday when the eighth stage takes the peloton from Castres to an uphill finish at Ax-3-Domaines with an out-of-category ascent to the Col de Pailheres in between. ... More...