Published on Saturday, March 2, 2013 by Kathy McCabe We've started a new feature on ItalyTravel.com, it is called The Italy Mix and it is a post about the most interesting Italy and Italy travel, news and human interest stories around the Web each week.  Here are our top picks for this week: Madonna Opening Gym in Rome: The Material Girl's venture Hard Candy Fitness will open a 13,000-foot gym across from the Coloss...