On August 18th, Adam Elrashidy provides a news update on the Democratic National Convention (DNC), which began with a moment of silence and a speech by Michelle Obama criticizing President Trump. Meanwhile, Trump is conducting campaign stops to counter the DNC's media coverage, addressing protests and election concerns. Additionally, Postmaster General Louis Dejoy is set to testify amid controversy over postal policies, with a lawsuit filed against him and Trump. The Postal Service has halted mailbox removals, and lawmakers are returning to vote on related legislation. Stay tuned for more updates on Newsy.

What is the purpose of the upcoming testimony by Postmaster General Louis Dejoy?

What actions did the Postal Service announce regarding mailboxes and sorting machines?