panned if we allow an activist court to wipe out the gains made over the last 50 years, we will be a worse natior it. >> thank you so much for joining me, derek johnson, president of the naacp. >> thank you >> woodruff: now, back to the looming high-stakes showdown overustice anthony kennedy's seat on the supreme court, a debate that could very well define the politics of this summer.an johnbegins there. >> yang: judy, we will talk about that, and more, in politics monday. we're joined by amy walter,al natiditor of the "cook political report," and susan page, washington bureau chief for "usa today." amy, welcome. we don't even have a nominee yet but we're already debating the nominee's poitions on issues. >> of course, john, this is where we live now.to we don't havhave a candidate to already have battle lines. we know this in this polarized environment we pretty much know how most peb meers of the senate will vote regardless of who the nominee. is so the actual targets in terms of vulnerable or senators who could flip their vote is very narrow, that is why we are talking so much about a handful of democrats in red states wh are up in 2018 an