susan and francesca sanders and tomorrow on up these are my guests. that is starting at 8:00 eastern on sunday right here on msnbc. up ahead in our next hour, the battle lines sharpen over the impeachment trial as republicans predict an all out acquittal and joe biden draws a line in the sand. the fight over fairness and witnesses next. ght over fairnes witnesses next what i love most about being a scientist at 3m is that i'm part of a community of problem solvers. we make ideas grow. from an everyday solution... to one that can take on a bigger challenge. we are solving problems that improve lives. ♪ work so hard ♪ give it everything you got to one that can take on a bigger challenge. ♪ strength of a lioness ♪ tough as a knot ♪ rocking the stage ♪ and we never gonna stop ♪ all strength, no sweat. ♪ just in case you forgot ♪ all strength. ♪ no sweat secret. all strength. no sweat. us. it's what this country is made of.