"use of em dashes" It's worth pointing out that this is not a universal style choice. http://en.wikipedia.org/wiki/Dash#En_dash_versus_em_dash http://en.wikip

"use of em dashes" It's worth pointing out that this is not a universal style choice. http://en.wikipedia.org/wiki/Dash#En_dash_versus_em_dash http://en.wikipedia.org/wiki/Dash#En_dash_versus_em_dash