Final answer:
Susan Lipkens suggested that the NFL had the opportunity to reform its culture, particularly around issues of racism and bullying, in the aftermath of the Martin-Incognito incident.
Step-by-step explanation:
Following the incident between Jonathan Martin and Richie Incognito, which showcased issues of harassment and bullying within the NFL, Susan Lipkens remarked that the NFL had the opportunity to address and reform the toxic aspects of its culture. This moment brought to light the broader issues of racism and bullying in the league. Although not explicitly stated in the provided reference text, the context suggests that in response to such events, and others like the Colin Kaepernick protest, the NFL has been presented with chances to foster an environment of inclusion and to initiate open dialogues about such social issues.