Last year’s Nike Pegasus 37 was a disappointment due to the fit of its upper. The Nike Running design team heard our (and many others) feedback and came back with a completely redesigned upper. The Nike Pegasus 38 aims to solve all the issues with its predecessor and get the Pegasus line back to its typical dependability. Read on to see if it worked. For me, the heel slip made the Pegasus 37 feel like two different shoes. One up…