Aaron Sorkin’s ‘Social Reckoning’ is off to a weak start

“The Social Reckoning,” Aaron Sorkin’s follow-up to “The Social Network,” is on-track to make only $5.5 million at the domestic box office this weekend, according to Sunday estimates.

That’s below the already underwhelming $7 million to $8 million the studio had projected, and it means Sorkin’s new movie is unlikely to become a “Social Network”-sized hit. The earlier film had a $22 million opening weekend and made a total of $97 million domestically (and that’s at 2010 ticket prices). It…