How I'm Packing for Vegas

The Travel Goods Show is coming up next month and I'm already packed. Yes, it's four weeks away, but you know by now that I never wait until the last minute to do such things. I have packing down to a science now, so here's how I packed for four days in Vegas:
The bagI often come back home with a whole bag full of freebies and/or review items, and sometimes a brand new suitcase, so bringing a rolly bag when I might end up with a second one is out. Bringing a shoulder bag is nice, but if I don'...