Years ago, I was at a Hollywood event, floating in a sea of celebrity glamor and small talk. And there was Brad Pitt. Leaning against a wall. Alone. Calm. Observing the room. I thought about walking over and asking why he was holding up the wall. But I didn’t. Later that night, I ended up squished like a sardine in a red carpet crowd… with Brad, Tom Cruise and Nicole Kidman. Cameras flashing. Paparazzi yelling, “Tom, over here,” “ Nicole, to your left,” “Brad,” “Nicole,” “Tom,” “Tom,””Nicole…” I