The Brain, within its Groove Runs evenly--and true-- But let a Splinter swerve-- 'Twere easier for You-- To put a Current back-- When Floods have slit the Hills-- And scooped a Turnpike for Themselves-- And trodden out the Mills-- -Emily Dickinson In the world of MOOCs, few courses have shown the creativity of purpose and the dedicated following as has the course "Modern and Contemporary American Poetry" by Dr. Al Filreis of the University of Pennsylvania and Director of its wonderful Kelly Writers House . Few courses, in real life or online, have such a dedicated teacher as Al. The course, part of Al's regular teaching at Penn in its English Department, has been presented in MOOC form at this time of year in 2012 and in 2013 at Coursera. The ten-week course is back, opening later this week to over 30,000 students, myself included (third timer). Week after week, this likely remains the largest single collection of dedicated students reading and discus...