On "Forbes Newsroom," presidential historian Professor David Greenberg spoke about what could happen if President Biden ends his 2024 campaign, the assassination attempt on President Trump, the selection of Sen. JD Vance (R-OH) as the 2024 Republican Vice Presidential nominee, and more. <br /><br />Fuel your success with Forbes. Gain unlimited access to premium journalism, including breaking news, groundbreaking in-depth reported stories, daily digests and more. Plus, members get a front-row seat at members-only events with leading thinkers and doers, access to premium video that can help you get ahead, an ad-light experience, early access to select products including NFT drops and more:<br /><br />https://account.forbes.com/membership/?utm_source=youtube&utm_medium=display&utm_campaign=growth_non-sub_paid_subscribe_ytdescript<br /><br /><br />Stay Connected<br />Forbes on Facebook: http://fb.com/forbes<br />Forbes Video on Twitter: http://www.twitter.com/forbes<br />Forbes Video on Instagram: http://instagram.com/forbes<br />More From Forbes: http://forbes.com