Conversations with Dr. Don will air, starting on Tuesday, April 22, a 1-hour show with Dan Meek. The first half is about the Portland "Water District" measure on the May 20 ballot and includes these slides [or this PDF version of the slides].

Portland Area Broadcast Schedule

Portland, OR metropolitan area: Tuesday  11pm  Channel 11

Washington County, OR area (Channel 21):

Friday  8pm
Saturday  1am     Saturday  9am
Sunday  3pm
Monday  6am       Monday  1pm

It is also at https://www.youtube.com/user/friendlydon1.