Tony Wagner asked: Dear Mr. President:Your education platform was filled with noble generalities. I suppose you thought you couldn't get more specific because the No Child Left Behind Law is increasingly unpopular and unworkable, and there is no agreement about how to fix it. It is an issue that doesn't lend itself to sound bites. To fix NCLB, you must first understand the skills that matter most in the 21st century and the ways in which the NCLB law is actually getting in the way of more meaningful accountability. And then you must invest in accountability "version 2.0."Problem: Too few students are graduating from high school. The ones who do lack the essential skills they need for college, careers, and citizenship.Nearly one third of our students do not graduate from high school. This problem [+]