want to bring in sam donaldson.sident once again today saying he's the most transparent president. i mean, just on the face of it that just doesn't make any sense unless you are tournameinterpre as he is trance apparently lying. he reveals himself unintentionally, so in that sense he's transparent. but in terms of intentionally being transparent, that's just simply not the case. >> that's right. if you've never heard of donald trump before, he ran for the presidency and then won the presidency and then you had to take a look at him because the president of the united states and then watched him for the last two years and read his tweets for the last two years, et cetera, et cetera. he's transparent. you know exactly what he will do, what he will say, how he will lie. it's very difficult for me to see people who don't see that. either they're not paying attention or they don't see it. >> usually with nixon one had to wait until you heard, you know, all the tapes that have now come out to really get a sense of exactly

sam donaldson would scream -- follow him around and scream about him turning 73 or 74 and he would alwaysay that famous scream howy would old are you? he would say it is the 30th anniversary of my 43rd birthday. are often right for the wrong reasons and sometimes republicans are right for the wrong reasons. dementiad full-blown in the late 1980's, by 1987, 1988. i had a mother who had dementia and she is by -- dying of alzheimer's in pennsylvania. dementia comes on very subtly. one day this great woman who could cook like you could not believe, could not even fry an egg overnight. these guys like biden and bernie, they are 76, 77, they have two years of a grueling campaign. that is going to make them about 79 just when they get in there. first year, they will be 80. it is going to be a little bit like 1933 germany having baron von hindenburg walking around slobbering into the microphone. host: that is jim in north dakota talking about considerations of age. a piece by jennifer rubin appeared in the washington post march 21 taking a look at joe biden should he decide to run saying he shoul