[Not from the NYT article, still my #DavidSouter ]
#Souter planned his retirement from #SCOTUS to occur during a Democratic presidency as he was keenly aware of Republican designs on turning the court into a political arm.
NPR 2009:
Factors in his decision no doubt include the election of President #Obama, who would be more likely to appoint a successor attuned to the principles Souter has followed as a moderate-to-liberal member of the court's more liberal bloc over the past 2 decades.