It's the #ALSIceBucketChallenge and it's gone viral. Dump a bucket of ice water over your head and then pass on the challenge to a few others. They have 24 hours to accept the challenge or their donation amount goes up. Justin Timberlake, Jimmy Fallon and a ton of others have done it (including your friends) but the President won't accept. 


I don't know who challenged Justin Timberlake but thank you to the mystery person.


Justin challenged Jimmy Fallon and the Roots



Who challenged the New York Jets.


Meanwhile, Ethel Kennedy accepted the challenge.




Then this...