19 students and alumni involved in the spraying filed a lawsuit against uc davis, claiming the university used excessive force to break up the demonstration. in april 2012, an independent task force concludes that the pepper spraying incident should and could have been prevented. the uc police chief has since resigned. >> i think the pepper spray incident would definitely have an effect on how police interact with students and how they deal with similar issues in the future. coming up, two old-timers from the gridiron attempt to settle an old score. and an unbelievable sight when two whales breach just feet from this surfer. >> in 20, 30 years, they'd never seen anything like it.