It's 6:30pm and you wanna hit the last bit of happy hour before it's over, but you still have a ton of emails you need to send out. What's a drink-happy working stiff to do? Or what if you wanted to use your iPhone to look up the next bar on your barhopping itinerary? Or liveblog while tying one on? Fortunately, we've got plenty of bars in Los Angeles that offer free wireless Internet......