Yes, although he is still in a persistive vegatative state. Click on the 'Ariel Sharon' link on this page to view a bio that includes the state he is in now.
Washington, D.C.
As of today (February 25, 2009), the answer is yes but he is in coma.
Yes. I think she is around the age 62! She was born in 1948.
Yes, he is, and his sound is even BETTER than ever.