Old Bob: Linda Ellerbee writes that NPR replacing Bob Edwards as host of "Morning Edition" is a plain old case of ageism. (Makes sense since there's no other obvious reason to replace the nation's most listened-to morning radio host, whose show has grown in popularity by 41% over the past five years.)

Factoring faith: A scientist in the UK, using a 200-year old formula, has determined that there's a 67% chance that God exists.