"Can we change the score?": Some Dilemmas in the Beethoven Piano Sonatas

Of course the score is to be treated with the utmost respect, even reverence--it's the composer's message to us about how the music should sound. However, there are always questions, ambiguities, and mysteries that require us to look carefully at the small print in search for clues and solutions. We will look at several such cases in the 32 Beethoven sonatas, with some possible answers, or not!