Virtually every American knows that the biggest shopping day of the year is Black Friday, or the day after Thanksgiving. Yet over the past couple years, Black Friday has expanded, and now begins on Thursday night. This trend has brought with it some unexpectedly heated moral debate. On one side, there are those who believe the government should pass and enforce laws, as is being done in several New England states, that prevent stores from opening on Thanksgiving night. Their argument: Thanksgiving is a national holiday designed not for spending money on sales, but for spending time with family and perhaps getting some much-needed rest. People should not be forced away from their families simply to go operate a sales register that will otherwise be open in the next…