1. Not until the 3rd date. That way I can find out if he is worth it and if there are any potential signs of trouble I should be made aware.
2. In a large public crowded place, usually a restaurant, during the day.
3. Do your homework! Vet, research and fact-find. What are his/her: politic beliefs, religious leanings, feelings on gay/lesbian marriage, gay/lesbian adoption, trans-people in general, LGBT workplace anti-discrimination laws, abortion, children, blah, blah, blah. The important hot-button issues. Get them out of the way, so you can make the most informed decision possible. If they aren't a match, this way you can weed them out, without outting yourself to every potential partner you meet.