The next time you go to hail a cab, watch out for this merry prankster.  Performing a stunt like this, he has to accept that some people will go for it, and some will get extremely violent.  Fortunately, he's on a bike.

Improv Everywhere strikes again!  This time, they plant themselves on a busy subway escalator to see how many perfect strangers will give 'em some skin.  2,000 in 45 minutes ain't too shabby.  Don't we all just feel so...

What's a little love between buddies?  Pat Buchanan will probably spit up his orange juice when he watches this video, which shows us that when Dems high-five, it's not only cool, it's like Washington on Ice.  Throw in some...

There are a lot of dark tales from Afghanistan, but even in times of war, there is laughter. This soldier takes a moment to joke around with some quick-witted kids. The student surpasses the master when one of the little...