Hi, Jesse is indeed correct as it refers to that parable about not hiding your light under a bushel. If you were to hide your light under a bushel it can be taken to mean that you are not a confident person or not boastful. This sentence "but Harvey only know about lights --- no one seemed to have told him about bushels". Is sarcastic humour which is suggesting that Harvey is a boastful person. As most people do not say (hide their light) what they have given to a political party. Here's the definition of Bushel: noun a Brit unit of dry or liquid measure equal to 8 Imperial gallons. 1 Imperial bushel is equivalent to 0.036 37 cubic metres a US unit of dry measure equal to 64 US pints. 1 US bushel is equivalent to 0.035 24 cubic metres a container with a capacity equal to either of these quantities (US, informal) a large amount; great deal www.collinsdictionary.com/dictionary/english/bushel Hope this helps :)

I believe it is a loose reference to a parable from the New Testament. Jesus told people to let their light shine instead of hiding it under a bushel. Meaning you should tell people what you believe instead of hide it. In this case it just means Harvey didn't care about people knowing who he supported. http://en.wikipedia.org/wiki/Lamp_under_a_bushel