If you're walking home through the West Village tonight, you may be wishing you'd brought your galoshes, or waders, or a rowboat. A major water main break on West 10th St. has flooded the area surrounding it. Reader Erik Dane ( of The Foggy Monocle) sent us this on-the-spot photo of West 4th completely underwater. He reports that cops and firemen are swarming the area to get the situation under control. So if you're......