here any twenty-first century skill more important than being able to sustain a coherent, confident conversation?

No.

Explanation:

Confidence isn't everything, but being able to interact with another human fluently is the most important thing. Even if your major isn't anything Social, like Digital Literacy, or Construction, You still need to have conversations in those situations and leading up to those areas or you won't get far in life. Problem-solving is important in every career. You get that skill by interacting with people. Talking will help you work out misunderstandings, get grades up, and get passes from things that won't benefit you.

she learned to understand that physical beauty wasn’t as important as being a good person.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."