a) WSJ has a paywall where the Google workaround often doesn't work
b) political topics always are at risk, especially if repeated:
c) That there have been 5 submissions with together >300 comments on that topic in the last week: https://hn.algolia.com/?query=seattle+Minimum+Wage&sort=byDa... , which seem to discuss the same study, making your submission clearly a duplicate (at least from what I can see from the text teaser, thanks to a) I can't actually read the full content)