Using word cloud's from wordle.net, here's an interesting visual comparison of President Obama's speech at the Tucson memorial service and the web video delivered by Sarah Palin from her home television studio.
First, President Obama's word cloud:
Next, Sarah Palin's word cloud:
The word clouds show the contrast between their two approaches. They both recognized Saturday's shooting for the tragedy that it was, but the clear emphasis of President Obama's word choice was on focusing on the victims and that which unites us as a nation, whereas Palin focused on her grievances and what drives our country apart.