The Generation Gap at WorkAs offices go, the editorial suites at Time Inc. are pretty laid back. T-shirts are fine. Shave if you like. Slides, sneakers or heels - your choice. Yet theres a limit to what passes for acceptable appearance, and I was sure a recent bunch of college interns had breached it spectacularly with their nose rings, tattoos and low-rise pants. These were bright, ambitious kids. Why the blatant show of disrespect? My younger colleagues wondered too. But they were more am