Should a 4-year degree be a requirement for selection to E-9?

With the military moving to a leaner, agile and more educated force, should it's top leaders be required to have a baccalaureate&nbsp;<span style="color: rgb(102, 102, 102); font-family: arial, sans-serif; font-size: small; line-height: 15px; white-space: nowrap;">degree prior to selection or prior to promotion?</span>