Here's this week's lineup: A physician and leading researcher weighs in on how the media may be damaging science's credibility. ... A NY Times opinion piece chastises both sides of the political aisle. ... With Halloween a few days away, it's time to look at the history of scaring parents about poisoned candy and razor blades. ... And finally, car accidents are killing more pedestrians and fewer car occupants, so do we need safer cars or heightened awareness from pedestrians and cyclists?