Letters between former first lady Jackie Kennedy and Ormsby Gore, the former British ambassador to Washington, are up for auction Wed. The two wrote love letters to each other after each was widowed, and before Kennedy decided to marry Aristotle Onassis. Mark Phillips reports.Subscribe to the "CBS Evening News" Channel HERE: http://bit.ly/1S7DhikWatch Full Episodes of the "CBS Evening News" HERE: http://cbsn.ws/23XekKAWatch the latest installment of "On the Road," only on the "CBS Evening News," HERE: http://cbsn.ws/23XwqMHFollow "CBS Evening News" on Instagram: http://bit.ly/1T8icTOLike "CBS Evening News" on Facebook HERE: http://on.fb.me/1KxYobbFollow the "CBS Evening News" on Twitter HERE: http://bit.ly/1O3dTTeFollow the "CBS Evening News" on Google+ HERE: http://bit.ly/1Qs0aamGet your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B---The "CBS Evening News" premiered as a half-hour broadcast on Sept. 2, 1963. Check local listings for CBS Evening News broadcast times.