John Nagl writes in "Learning to Eat Soup With a Knife" that successful armies during counter-insurgencies were "bottom-up" learning organizations which thrived on information and suggestions from junior leaders in order to make improvements at higher levels. Five years ago, this wasn't the case. Three years ago, this might have been the case. Right now, this is definitely the case. Now the Army has some great outlets for junior leaders to offer professional constructive criticism and make great changes in our organization.
Small Wars Journal, of course, being one.