Here's the first stage of a Nancy Pelosi portrait I did a couple months ago. As you can see, the piece is a bit abstract and doesn't look exactly like her quite yet. When I start collaging portraits, I first block out the color and then come back in with layers of paper to work in more detail. I'll post the finished collage in a couple of days so you can see how much different my work looks once it's complete.
I'm thinking I might do a series of politicians sometime in the future. Looks like yet another item to add to my "to do" list.