<http://schema.org/alternativeHeadline>
"On the 50th anniversary of that day in Dallas, Kennedy collector and dealer John Reznikoff plans to sell these two cars \u2014 one of which the president rode in on Nov. 21, 1963."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/where-kennedy-sat-driving-the-jfk-lincolns>