leading. and both sanders and warren are leading the old front runner biden who was at the top of the poll in the spring. >> what does axios have about how witness testimony or the lack thereof is impacting this impeachment inquiry? >> yeah, we've got an incredible graphic. i hope you can show that on axios a.m. tomorrow that breaks down the number of folks who appeared before the committee but the number who didn't. dozens officials blocked from the hearing. a key things to pay attention to because the democrats tip their hand on what the articles of imimpeachment might be about. one of them is obstruction of congress. look for them to key into that. >> nicholas johnson, thank you for that. we'll be reading axios a.m. in just a little while and you can sign up for the newsletter at signup.axios.com. >> that does it for us on this thursday morning. i'm yasmin alongside geoff. "morning joe" starts right now.