The latest cause celebre for leftists in Minnesota is the case of Tekle Sundberg. Sundberg tried to murder a young woman, Cassandra Yarbrough, whom he apparently did not know. Police were called, Sundberg fired repeatedly from within an apartment, there was a standoff that lasted for hours, officers tried to negotiate with Sundberg and brought in family members to try to persuade him to surrender. Under circumstances that are not yet clear, officers eventually shot and killed Sundberg. My colleague David Zimmer, a veteran of 37 years in law enforcement, has a sober and unbiased review of the facts as...