Resolved. Not Wacom drivers. Both my systems are in Japanese. However, on the desktop I have the US keyboard activated. On the laptop, only the Japanese keyboard is activated. I just use the "romaji" option when typing in English. Once I activated the US keyboard, and selected it, Alfred was okay.
So still a bug, but the workaround is to use the US keyboard.
It looks like Mavericks "Smart Quotes" is changing the quotation marks to unicode quotes instead of the straight up quotes. I had turned this auto substitution off automatically in almost every other place, but it looks like Alfred's AppleScript editor was overlooked.
I'll get this fixed in the next release, but for now, if you right click in the text area where the AppleScript is being edited, select 'substitutions' and turn off "Smart Quotes", then you'll be able to get the AppleScript working with "iTerm".