bill and in so many states across the countryst. but this is an important battleground. this all comes together. joining me right now is our cnn chief political correspondent dana bash. dana, presidents commemorate anniversaries and if we take the kind of in parts to where the president's heading to tulsa. i mean i was thinking, presidents commemorate anniversaries often. biden traveling to tulsa, honoring the victims on this anniversary, what is the opportunity here for the president and the administration? >> well, it's a big opportunity. as you said, just the fact that u.s. president is going. it is a big anniversary. but this is a massacre that barely got a mention in most of our history books growing up. and the fact that you have a president shining a light on it speaks to a lot of things. first of all, the world