Summer has been officially over for months, yet it lingers with sporadic hits of warm weather a little longer than what we all would wish or recognize. Nothing gives this away more than footwear - specifically, flip flops (or as my Hawaiian friend calls them, slippers) which have made a recent surge in popularity all over the fashion industry. No brand has had a bigger impact than the Brazilian-born brand, Havaianas. Is this just a small carry-over of a summer fad that will die out once the I...