The superdels: latest tallies from AP and Politico

According to the Associated Press’s count, Barack Obama has picked up an additional 26 superdelegate endorsements in the past week and now leads in that column by a 281-271.5 margin and overall by 1871.5 to 1697.

Politico’s superdelegate tracking page has nearly identical numbers: Obama 281, Clinton 269.5 at this writing.