By Patricia Hall, FairfaxFamilyFun.com Who didn't love "show and tell" as a kid?  If you especially liked presentations that involved something someone conceived and created, you'll love the grown-up version of show-and-tell:  the Maker Faire that returns to Northern Virginia later this month. Whether it involves technology or textiles, computers or crafts, if it's something you can think of and something you can make you probably will find it Continue Reading...