Would you advise me to bring my Social Security card to Las Vegas? I never have, as security experts advise you not to carry it. But do you have to show it if you win above the W-2G threshold? Or can you just provide them with the number without the SS card for proof?

What are my chances of being dealt four to a royal and drawing the fifth card? Also, what are my chances of being dealt a royal? And finally, what are my chances of being dealt a sequential royal?

Regarding your recent question about origins of the words "jackpot" and "bingo," is it possible to do the same for the word "keno?"

I was playing at Terrible's last week and had a matchplay coupon out when I was dealt a blackjack. The pit boss instructed the dealer to pay me 3 for 2 on the chips I had bet, but only even money on the coupon. Was this the correct pay out? If so, is that the standard pay out when using a matchplay and being dealt a BJ in most Las Vegas casinos?

What's up with all the different kinds of video poker games? I swear, everytime I turn around, there's a new name I've never seen before. It seems to me it would be less confusing for players — and thus more profitable for game makers — if they just stuck to the basics, like Jacks, Deuces and Jokers, and Bonus.

Where did the term "jackpot" come from? Similarly the word "bingo"?

I read somewhere that the District Attorney of Clark County is the official collection agency for the Las Vegas casinos. Is this true? And if so, what does it mean?

Do you remember in the '60s and early '70s the game with the three dice inside the bird cage? You bet on which numbers would come up after they spun the cage. What was it called and how did you play?

Can you explain the abbreviations that are used in the Las Vegas Advisor and on LasVegasAdvisor.com to describe the various video poker machines? Some are obvious (example, 9/6 JoB), but some are very confusing (examples, FPDW and NSUD). Please help!

Having been in Las Vegas recently, and seeing the many large areas of casinos now devoted to poker, my question is: How do the casinos make money on these games?