Getty Images This post originally appeared in the BI Today newsletter. You can sign up for Business Insider's daily newsletter here . Big Tech's titans go toe-to-toe The high-stakes legal battle between Elon Musk and Sam Altman is entering its second week in the courtroom. My colleague Katherine Li has been on the scene in San Francisco, chronicling the ins and outs of a trial that is pitting two of the most powerful tech titans against each other. I spoke with Katherine about the atmosphere inside the room and what to expect in the days ahead. What's the vibe been like in and around the courtroom? It's clear that the courthouse is working hard to grapple with the immense public interest. I have met a wide array of people while standing in line at the courthouse, including a nonprofit founder and a Hoover Institution researcher. Competition for a chance to sit in the courtroom is extremely fierce, but the overflow room feels different.…