Poem [Lana Turner has collapsed!] Questions

Bring on the tough stuff - there’s not just one right answer.

If Frank O'Hara were writing this poem today, how would it be different? Where would he be getting his news?
Who are the modern-day equivalents of Lana Turner?
What happens to the addressee by the end of the poem? Has the original addressee been replaced with someone else? If so, who?
Why does the line "Lana Turner has collapsed" appear twice in the poem? How does it function differently the second time it appears?
Is there anything serious about this poem? Is it possible to write serious poems about unserious people?