Hi all.
“Oh, Dear!” is this week’s puzzle title and the first word of each theme answer can follow “Dear” in a well-known salutation.
18a [California setting of “Three’s Company”] – SANTA MONICA. Dear Santa, I would like a new Pentel Twist-Erase 0.9 lead pencil.
23a [Saint celebrated on June 24] – JOHN THE BAPTIST. Dear John, did you know the day is more commonly called Fête de la Saint-Jean-Baptiste in Quebec?
34a [Roving reporter, perhaps] – EDITOR AT LARGE. Dear Editor, I wish you would run ClassicCanadian Crosswords in your paper.
47a [Film billed as “the most terrifying motion picture ever created”, 1936] – DIARY OF A MADMAN. Dear Diary, I saw this really scary movie and now I can’t sleep.
54a [Wand-wielding girl on “Sesame Street”] – ABBY CADABBY. Dear Abby, how do I stop making silly “Dear” jokes?

Canadian content:
14a [Third word of “God Save the Queen”] – OUR. Oddly, also the third word of “O Canada.”
28a [B. C.’s St. James and St. John] – FTS. Name two “Fort” cities in British Columbia that I have yet to visit.
32a [T. O. fair dubbed “the Ex”] – CNE. Remember a few weeks ago when I mentioned the Michael Bolton/Celine Dion concert? That was at the Toronto Ontario Canadian National Exhibition.
58a [“Take ____ at my girlfriend” (Supertramp lyric)] – A LOOK. Supertramp were huge in Canada long before they became popular in the U.S.
62a [Big name in trendy dining] – EARLS. A large Canadian chain that I just discovered also have U.S. locations.
7d [Resident in 57% of Canadian homes] – PET. I am currently one of the other 43%, although we used to have an aquarium.
24d [Min. of Natural Resources concern] – ENER.
30d [ ___ Anne (Man. town on the Seine] – STE. The Seine river in Manitoba.
43d [Atwood book “The ____ Woman”] – EDIBLE. Margaret Atwood was born in Ottawa.
45d [“Mr. Hockey” Howe] – GORDIE. He played in five different decades.

Tip of the Week:
I will be on a double-super-top-secret mission next week but this blog will be in capable hands so the tip is keep reading. I’ll see you in two weeks.