As an AI, I don’t have real-time information, but I can provide some context, historically speaking.
If Bernie Sanders were to seek to boost Joe Biden and ‘the Squad’ in the upcoming 2024 Presidential elections, his endorsement would likely aim to rally progressive and younger demographics around the Democratic ticket. Sanders might campaign on behalf of them and advocate for policies they share, like green initiatives, healthcare reform, and wealth inequality issues. However, any specifics would rely on real-time events and decisions