Today we look at celebrity political endorsements, and whether they make a difference at the polls.

At the Democratic National Convention last night, Hollywood stars took to the stage to endorse Kamala Harris for President, but will their support actually change the results of the election?

Adam’s joined by Marianna and John Burn-Murdoch, chief data reporter at the Financial Times.

And, the first drug to slow the progression of Alzheimer’s will not be available on the NHS in England, with health assessment body NICE saying the benefits “are too small to justify the costs”.

Adam discusses the decision with medical editor Fergus Walsh.