Don't know if the answer has turned up -- but I asked the question, found this post, then found exactly the answer on Wikipedia: http://en.wikipedia.org/wiki/List_of_United_States_presidential_vetoes Hope this helps someone else!
The only thing that has happened to televised presidential debates since 1960 is that the debates last a lot longer. It is also stated that the debates are targeted for undecided voters.
have taken place in every campaign
The presidential candidate with the highest percentage of votes since 1960 is Richard Nixon in 1972. He won re-election with 60.7% of the popular vote, the highest percentage of any candidate since then.
a good television presence.
a good television presence
a good television presence
1960 Presidential Debates - 1960 1-1 was released on: USA: 26 September 1960
1960 Presidential Debates - 1960 1-2 was released on: USA: 7 October 1960
1960 Presidential Debates - 1960 1-3 was released on: USA: 13 October 1960
1960 Presidential Debates - 1960 1-4 was released on: USA: 21 October 1960
1960
Charles M. Lamb has written: 'HOUSING SEGREGATION IN SUBURBAN AMERICA SINCE 1960: PRESIDENTIAL AND JUDICIAL POLITICS'