A time for silence (and a recipe)

Before my son Henry flew back to Minnesota last week, I took him out shopping for vitamins.  Last winter, temperatures on his campus routinely dipped below zero; by the time he came home for Christmas break he'd had a nasty cold for two weeks.

 Like every other parent of a child who's living in a dormitory this flu season, I'm worried, and determined to do all the immune-system building that my sons will allow.  By the time I'd bought everything on my list of must-have supplements, vitamins...