There was a dispute as to whether the Senate should take up the nomination.
In September 2020 after the death of Justice Ginsberg, then President Trump nominated Justice Barrett to the Supreme Court.
Again there was a dispute as to whether the Senate should take up the nomination.
Among those disputing the issues, I have chosen 4 people (I was at one time only going to discuss one person but it makes more sense to discuss a quartet) whose opinions on whether the Senate should vote on confirmation in the 4th or 8th year of a President's term) were as follows:
Senator Lindsey Graham: 2016 Against; 2020 For
Senator Mitch McConnell: 2016 Against; 2020 For
Senator Charles Schumer: 2016 For 2020 Against
former Vice President Biden: 2016 For; 2020 Against (then Senator Biden was against in 1992).
Graham and Biden are in the first image. Schumer and McConnell are in the second image.
I will discuss the Graham opinion change first since it is relatively simple and overtly stated.
Then I will discuss the McConnell opinion which is more complicated.
Regarding Graham: 2016, Senator Graham was specific and said that he opposed a nomination in that year and would oppose a nomination in 2020 (see the collection of quotes link below). In 2020 he had changed his mind and sent a letter (see link below) to various Democratic Senators explaining why. His reasoning was that Democratic smearing of Justice Kavanaugh in 2018 required a the change in position. I don't follow this reasoning as it seems a non sequitur, something like, 'I won't pay you the money I owe you since you insulted me'. However, it may make sense to Graham and I can't find any response from the addressees objecting to the reasoning.
McConnell's 2016 statements regarding the nomination to the SOTUS that year include conditions or caveats. For example, in one statement (the collection of quotes link below) he referred to an appointed by a lame duck (Obama was term limited in 2016, Trump is not term limited in 2020, although he would be a lame duck if he lost the election in November 2020). In another statement (the collection of quotes link below) McConnell notes that in 2016 the President was a Democrat and the Senate was majority Republican (as of this post the President is a Republican and the Senate is also majority Republican). I don't understand this reasoning entirely although it seems to me it has more substance than Graham's reasoning.
This brings me to the Schumer and Biden opinion change. I have been looking for them to defend their opinion change and haven't found any. Neither have I found third party defense of their opinion change nor any reporters who even asked them about it. Now, the focus of the news is the confirmation of Justice Barrett and I suppose there will be no defense of the opinion change.
I would rate all but McConnell as hypocrites to some extent but Schumer and Biden more so since they feel no need to even acknowledge the issue. I would rank Graham as slightly less of a hypocrite than Schumer or Biden as he has a defense even if I don't think it makes sense. I'm giving McConnell a break on this since he does make a substantive case that the two situations are different.
Finally, I acknowledge the Babylon Bee's take on this:
The 1992 position of then Senator Biden is discussed here.
Senator Graham's Letter re 2020 situation is here.
Collection of quotes from 2016 and 2020 is here.
Washington Post OP Ed on this calling McConnell an 'apex predator' is here.
A defense of McConnell is here
Senator Cruz expands on the 'one party holds the Presidency, the other the Senate' reason here.
Babylonbee humor on this is here.