Why doesn't Romeo know Juliet isn't really dead in act 5 of Romeo and Juliet

The letter Juliet told Friar John to send go Romeo did not get to him in time, so when he heard the news about Juilet, he thought she was dead.

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.