Securing Our Future with Robert F. Kennedy, Jr. , Douglas County Events Center, corner of Plum Creek Pkwy. and Fairgrounds Dr., Castle Rock. Workshops all day focusing on environmental and healthcare issues. Robert F. Kennedy, Jr., Mike Miles and Speaker of the House Andrew Romanoff will be present for various events. Sat., June 25, 7:30 a.m. to 9 p.m. Call 380-7064 or visit btc-usa.org for more.