How much acting skill is required for voiceover? What does it mean to change the "read" of copy?

http://is.gd/3xq0
As a voiceover coach, I get a lot of people asking me questions about how voiceover works and how to get into the industry.

Two of the most common misperceptions I find people have about voiceover are that you need a special voice (actually, average voices with very little accent get a ton of work) and that acting skills are more important than speaking experience.

Here's a great example of using acting skills in getting different "reads" of some short copy for a political ad (advertisement precedes video):