(1.) should already be here, at least - on the web version it's the [-] icon next the commenter's name, and on Jerboa you just tap the top bar of the comment. Agree that there should be a way to hide posts permanently - it's kind of annoying to always scroll past the same pinned posts at the top of the "Local" view.

The Lowell Folk Festival is a great time, 7/28 - 7/30 this year. 30-45 minutes away from Boston.