The Columbia Heights Jamboree will take place Thursday, June 27-Sunday, June 30. Thursday night will feature Columbia Heights' own "City Knights" band. Friday night, the Jamboree parade steps off at 6 pm. "DNR" will play the beer garden after the parade. Saturday night brings fireworks and more music from Joe Macko. A carnival with rides will be held throughout. $2 entry fee except for Sunday, the family fun day. The $1,000 Tasty Pizza medallion hunt starts on Wednesday the 26th.…