Dont be obtuse. If it were only that it were Portland you could guess with 90% certainty that these are Democrats of the libtard order. Given the appearance of those involved you can be virtually 100% certain that these are indeed liberal lunatics.
Liberal thinking people yes, but not necessarily Democrates. There are conservative Democrates and there are liberal Republicians.
Liberal:
1. open to new behavior or opinions and willing to discard traditional values.
"they have more liberal views toward marriage and divorce than some people"
2. (of education) concerned mainly with broadening a person's general knowledge and experience, rather than with technical or professional training.
Conservative:
1. tending or disposed to maintain existing views, conditions, or institutions
2. marked by moderation or caution
3 marked by or relating to traditional norms of taste, elegance, style, or manners