Share 'Hi: This is My Theological Hobby Horse'

Every now and then I like to throw in a smattering of light-hearted discussion posts just so that we don't become bitter old folk in a dark room, cooly lit with the flicker of a computer screen while we stare with furrowed brows, elbows on mahogany desks and reams of theological tomes within an apologetic arms reach. Therefore I ask: what is your theological hobby horse: the subject you always...