Opinion: Americans are facing a herculean but righteous task in fighting hate

In the aftermath of the Buffalo massacre, a note of despair has begun creeping into interviews with some experts on domestic extremism. Michael Edison Hayden, a senior investigative reporter with the Southern Poverty Law Center, told ABC News this week, "We've had too many wake-up calls at this point for me to feel confident that we're going to suddenly change the current path that we are on." Ben Collins, who covers extremism and disinformation for NBC News, explained to MSNBC host Rachel Maddo