coming up saturday morning, public opinion polster and political analyst scott rasmussen talks about how the coronavirus pandemic is shaping public opinion. also, the policing project's barry friedman talks about his role in changing police in camden, new jersey, and the effectiveness of community policing. watch c-span's "washington journal," live at 7:00 eastern saturday morning. join the discussion with your phone calls, facebook comments, text messages, and tweets. "q&a," and lena conus, author of "vaccine nation" on the lessons the polio vaccine in the 50's can teach us about a covid-19 vaccine. >> we will face distribution problems. we will face problems of equity. even if we have enough vaccines for everybody, there will be those who have the privilege to say "i'm not comfortable getting it until 5 million people have been vaccinated." then there will be those who say "i have to get vaccinated because i have to go to work and make sure i'm safe and can provide for my family." i guarantee that we will see problems of equity. historians aren't supposed to guarantee anything abou

the polster who did that poll said 16 points up said october 6th, 2016, that hillary clinton had it in the bag in october 26th, 2016 said there was no way she could lose. subsequent to that there have been two polls, one showing joe biden up two points and one showing him one point up. i think it's competitive in michigan. five months and until november we don't know what the events are that could take place. i don't want anyone to let polls that aren't real or don't really reflect how people think suppress votes or tell people their vote doesn't matter or shurcht care about the future of this country. i think this is a competitive race. yes, there are a lot of polls right now. and there are a lot of things i'm unhappy about that's happening with this country. people need to be engaged to understand their vote matters and have to get out and vote if they care about the future of their country. >> jon: there are a lot of things we are all not happy about right now in this country. debbie dingell democrat of michigan, thank you. >> thank you. >> john: contentious hearing in the house. a

i'm joined by democratic polster and former republican congressman. let's jump into this. is mad at lisa murkowski. we'll start there. here is lisa murkowski hedging, having already criticized him for wanting to sick the military on americans. here she is hedging on whether she'll support him in 2020. >> can you still support president trump then? is that something you're struggling with. >> i'm struggling wit. i have been struggling for a long time. i think you know that, i didn't support the president in the initial election and i work hard to try to make sure that i'm able to represent my state well. i think there are -- there are important conversations that we need to have as an american people amongst ourselves about where we are right now. >> she didn't support impeachment. but here is donald trump pouting about that. here he is, of course he tweeted he's not so mad at jack that he won't keep using twitter. there it is. i'm going to campaign against her. her. he's not going to campaign against her. i don't see him getting on one of the miniplanes and campaigning aga