The Kennedy family is welcoming President Obama to Martha's Vineyard with a "cold" invitation.
Ethel Kennedy, the widow of Sen. Robert F. Kennedy, is urging Obama to take the "Ice Bucket Challenge," in which people dump buckets of ice water on each other to raise money for ALS research.
In a message posted on social media by members of the family, Mrs. Kennedy said: "Welcome to Cape Cod, President Obama. I nominate you."
Mrs. Kennedy told The Boston Globe: "A good campaign starts at the grassroots and makes its way to the very top. Our family is proud to join the wave of advocates championing increased awareness and funding for amyotrophic lateral sclerosis (ALS)."