I've been seeing a whole lot about this on the internet. Some claim the DNC is already making moves to have Joe Biden become the candidate. Others are talking about delaying it until some future date. That also raised the possibility of Obama continuing in office. However, it appears that the Speaker of the House would become president pro tem until the election can be conducted. The constitution places the authority for conducting federal elections on the states but gives Congress the authority for overriding them in certain conditions.
A discussion of this is in a GAO pdf from March 2001 on The President of the Senate and the Speaker of the House of Representatives @ http://www.gao.gov/new.items/d01470.pdf
The question came up in a blog @ Will November Election Still Happen If Hillary Drops Out? - Patriot Update
And here's another blog with lots and lots of links - If Hillary Is Replaced because of her Health @ Political Pistachio: If Hillary Is Replaced because of her Health
A discussion of this is in a GAO pdf from March 2001 on The President of the Senate and the Speaker of the House of Representatives @ http://www.gao.gov/new.items/d01470.pdf
The question came up in a blog @ Will November Election Still Happen If Hillary Drops Out? - Patriot Update
And here's another blog with lots and lots of links - If Hillary Is Replaced because of her Health @ Political Pistachio: If Hillary Is Replaced because of her Health