Every holiday, people always ask me what’s the “hot” toy of the year. There hasn’t been a runaway bestseller in years, but there are still plenty of great options. Here are my top picks for the 2007 Holiday Season.Tulu Rattle (Manhattan Toy) $15. The Tulu is designed in partnership with Hoberman Transformable Design and expands and contracts just like the famous Hoberman Sphere. Babies appreciate the bright colors, multiple tactile surfaces and the many...