Frank Gifford recalls that he saw Reagan had his arms around Lennon's shoulders, explaining the rules of the game to him, and that Lennon was excited like a little kid.
There's one writer who thought, towards the end of his life, Lennon became a Conservative and would've voted for Reagan if he could've voted.
http://www.dailymail.co.uk/news/article-2009562/John-Lennon-closet-conservative-fan-Reagan.html
It would have been more beneficial to him if he had become a Christian.