Hillary observes birthday No. 69

Democratic presidential candidate Hillary Clinton reacts to a reporters questions about her birthday before boarding her campaign plane at Miami International Airport in Miami today to travel to Lake Worth, Fla. for a rally. Clinton turns 69 today. (AP Photo/Andrew Harnik)

Hillary Clinton took a break from campaigning to see Adele in concert in Miami on the eve of her 69th birthday - and got a ringing endorsement from the megastar. After attending a fundraiser in the area, the Democratic presidential nominee made a surprise stop at the American Airlines Arena last night, arriving at the venue by motorcade/ Daily Mail. More here.

Question: How old is too old to be president?