George Stephanopoulos was never the White House press secretary, though he did handle many of the traditional duties of the job when Dee Dee Myers held the title under President Clinton. Note also that it's -poulos, not -polous.
Price club is not a generic term for a members-only warehouse store that specializes in volume discounting. Price Club was a pioneer in that retailing genre founded by a man named Sol Price. Its stores took the Costco name after a merger in the early 1990s.
It's risk-averse, not risk-adverse.
The term button-down shirt properly refers to a dress shirt with buttons to hold down the collar flaps, not a shirt with buttons down the front. Because there isn't really a good term for the latter, though, this is a distinction that is rapidly being lost.