If you’re learning the eavesdropping trade, don’t apprentice under Obama and Steve Sack.
Steve Sack’s editorial cartoon regarding President Obama’s domestic eavesdropping (March 26) was excellent as usual. However, it had a fatal flaw, as our commander in chief would quickly have become a casualty by connecting NSA equipment to the high-voltage side of a power transformer.
John Carlson, Hibbing, Minn.
The writer is a retired electrical engineer.
The Opinion section is produced by the Editorial Department to foster discussion about key issues. The Editorial Board represents the institutional voice of the Star Tribune and operates independently of the newsroom.