By Jim Schutze Thu., May 16 2013 at 11:00 AM Last night the history group called Preservation Dallas gave a special award to Lindalyn Adams, one of the people who created The Sixth Floor, the Kennedy assassination museum downtown. That’s great. She deserves it. Now I want to know why The Sixth Floor got Robert Groden thrown in the slammer. Groden is a best-selling author whose books argue that the killing of the president in Dallas a half century ago was a conspiracy. On weekends, when tourists, including plenty of assassination buffs, flock to downtown to visit Dealey Plaza where it happened, Groden sets up a table there and lectures and sells books and videos. After ticketing, arresting and jailing him on multiple occasions over the years, the city of Dallas has backed off, apparently agreeing with Groden’s lawyers that he was never breaking the law in the first place. But Groden still has a federal civil rights lawsuit against the city plodding its way slowly through the court system. I hope someday the lawsuit will answer my question. In today’s Dallas Morning News story about the award for Adams, the executive director of the museum, Nicola Longford, makes a…
