He proclaimed, "The new frontier of which I speak is not a set of promises--it is a set of challenges"
[DOC] [TLE] Obama outdoor speech echoes JFK's 1960 move - USATODAY.com [PAR] Aug 27, 2008 ... Sen. John F. Kennedy gets a standing ovation as he steps to the ... he proclaimed 
the need for change, saying, "The old era is ending;" and he... [DOC] [TLE] Democratic National Convention - Kennedy - Cargo [PAR] On January 2, 1960, Kennedy officially declared his intent to run for President of 
the United States.