new reporting is giving us an inside look at democratic strategy when it comes to impeaching this president. our own heidi przybyla reports that according to multiple people familiar with deliberations, and this is important, house democrats are, quote, zeroing in on a framework for their impeachment case that will center on a simple abuse of power narrative involving the president's actions regarding ukraine. the report goes on to say, and we quote, still under debate is whether leaders will roll potential obstruction charges related to mueller's investigation into the same article that deals with ukraine. one person we wanted to talk to about this tonight turns out is available. former u.s. attorney, joyce vance, who spent 25 years as a federal prosecutor. joyce, talk about this because it seems directly informed by the density and complexity of