At age 6, children are optimistic about race; at age 13, they are not. Check out this video to learn why this happens.… Read the whole story »
!["How I Met Your Mother"](http://mylt.ltcdn.com/d6/sites/mylifetime.com/files/images/imagecache/carousel_159x119/2011/01/12/HIMYM-159x119.jpg ""How I Met Your Mother"")
