TESTING LIMITS: Interesting enough, standardized testing is also one of the (many) trigger points for a flock of unhappy teachers, activists and others who are planning a July 30 march on the Department of Education in Washington in an event called "Save our Schools & National Call to Action." The difference: the techie crowd believes assessments can be improved and fine tuned. By contrast, this group, led in part by Obama administration opponents including Diane Ravitch, is suspicious of a data-driven approach, leery of how the Common Core might be used and feels that teachers have been unfairly painted as the bad guys. But nostalgia by definition can't take you forward. Elsewhere South Korea said this past week that it is spending $2.4 billion to digitize all content for school-age students and to buy the devices to display it. Where do you want your kid to go to school?