Good projection for N/S America?

Anyone know of a particularly good map projection for showing all of
North and South America without too much distortion?

THK

Timothy H. Keitt, University of Texas at Austin
Contact info and schedule at http://www.keittlab.org/tkeitt/
Reprints at http://www.keittlab.org/tkeitt/papers/
ODF attachment? See http://www.openoffice.org/