>> tucker: i will trade my tickle me elmo. [laughs] >> it's just a reminder that there are some things that are not in our control. this eclipse is going to bring all of america back together. you know the anatomy of anal eclipse? where the moon passes between the sun and the earth, blocking all or part of the sun. the penumbra is the partial a shadow, which the whole u.s. is going to experience. a very small little widespread region, the umbra, that's the full shadow. the totality that's going to go coast-to-coast, tucker, for the first time in 99 years. from the northwest to thee southeast. this area is going to experience total darkness for over 2 minutes in the daytime. it's going to be crazy. it's going to be amazing. it's going to change our lives. yes. the only thing that could ruin the eclipse is the cloud cover.