Cross Words Update 2
Daniel Radosh(scroll to previous post to catch up): While we await input from more Radosh.netters, readers of The Washington Post weigh in with the following claims:
1. Keegan "is conflating the rules for relative and personal pronouns."
2. There is a grammar error in the sentence, but not the one Keegan found.
3. In an interview with the Post, Keegan speaks bad grammar hisself.