Joe Rospars recently wrote in Time about the perceived “creative crisis" in the Democratic Party, a debate about online fundraising, and the responsibility writers, digital directors, and even candidates have to the creative direction of a campaign. Joe's answer -- “Don’t be lame” -- is a great place to start. But it doesn’t answer the why: Unlike those TV ads, email is personal. We protect our inboxes fiercely. They hold our receipts, recipes, invitations, job applications unanswered, flirtations unsent. Not even our partners or friends get access. Unlike social networks that encourage us to put our stuff out there for the public not just to see but to evaluate, your inbox is private. We can't predict what Facebook will do with its...