My apologies if this has been addressed heavily, but I could not find a reference via forum search. I haven't personally run a Mac with 10.8 yet, but I was remotely connected to my mom's 10.8 machine today helping with some Adobe stuff. I noticed that with Finder open, and the "list view" chosen (2nd icon of the 4 views) I wasn't able to click on the different column headers to switch "arrange by" methods. In 10.6 I can click on "Name" or "Date" or "File Size" and so on to switch the arrangement preference. It's obviously quite convenient for rogue files. In 10.8 it seems that I have to either know the keyboard shortcut or go into the menu under "arrange by." Was this feature stripped out of 10.8 or is there a preference I must change? I could not find anything by searching through view options for Finder nor the specific Finder window I had open.