According to the search results, Chris Hayes, the host of "All In with Chris Hayes" on MSNBC, was not hosting his show during the week of September 25, 2023, but he had not announced any plans to leave the network. He was likely taking a vacation and spending time with his family and working on other projects. Chris Hayes has been hosting his show for a decade and has won multiple Emmys. Recently, he cut down to hosting "All In" four nights a week, with former White House press secretary Jen Psaki taking over hosting duties for Mondays show. However, Chris Hayes will continue to expand his portfolio of content for the company. MSNBC viewers who tuned in during the week of September 25, 2023, may have noticed that "All In" was not on during its usual slot, but Chris Hayes has given no indication that he plans to leave MSNBC.