Presuming Ike doesn’t cancel everything–and that’s a big presumption, since the UT-Arkansas game is already off (though this hoopla continues to amaze me … there’s only a 60% chance of rain tomorrow?!)– this Sunday looks to be a huge Gluten Clash, pitting the gluten-free Got Guts 5K vs. gluten-heavy Italian Festival: Got Guts 5K Run,…