With 23-Across, period that began in January 2009

The answer to this crossword question is the term “OBAMA ERA.” The clue includes the phrase “With 23-Across,” which indicates that the solution involves a two-word answer, and the letters “OBAMA” are already provided as part of the answer. So, we need to provide a second word that completes the phrase “OBAMA _ _ _.” The word “ERA” fits perfectly and is also fitting in the context of the clue, which references a period that began in January 2009, when Barack Obama was inaugurated as President of the United States. Thus, the completed answer, “OBAMA ERA,” refers to Obama’s presidency and the period of time during which he held office.