Fuller: Word Nerd wants you to make lesser mistakes

From the front lines of gruesome grammar and useless usage, the Word Nerd files this dispatch while blushing slightly.
He hopes you won’t notice there were two apostrophe catastrophes on the same day this week in the esteemed publication for which the Word Nerd types.
The first was in a photo caption: “A closed sign is posted on the doors of Sears, which had IT’S last day of business….”
The second was in a subhead: “Sesteros coming to town….”
If