Sunday’s Poem: “The Dental Hygienist” by Tom C. Hunley from Octopus. Sunday’s Literary Notes: It’s the anniversary of the opening of the Erie Canal in 1825. It was built to connect the Atlantic Ocean with the Great Lakes. The canal was 360 miles long, 40 feet wide, and four feet deep - just deep enough to float barges carrying 30 tons of freight. When the canal was finished, cannons were lined up along the towpath just barely in earshot of each other. They fired one after another from Lake Erie…