Briskets on the smoker at 2M Smokehouse in San Antonio. With all the hullabaloo over the online release of Texas Monthly’s Top 50 barbecue joints early this week, the print edition of the magazine still contained a nice surprise when it arrived Thursday: a list of the top 10 brisket joints in Texas. While seven of them are also among TM’s overall Top 10, three are not, including 2M Smokehouse in San Antonio. Regular readers will remember that Chris Wilkins and I raved about 2M after our first visit there earlier this year. I even argued that it might be the…