In economics, consumerism refers to economic policies placing emphasis on consumption. In an abstract sense, it is the consideration that the free choice of consumers should strongly orient the choice what is produced and how, therefore the economic organization of a society.
recuse - disqualify oneself (as a judge) in a particular case. law, jurisprudence - the collection of rules imposed by authority; civilization presupposes respect for the law; the great problem for jurisprudence to allow freedom while enforcing order.
(According to Vox, recuse was the most-searched word on Merriam Webster's website on Thursday.) What this actually means in practice is that if there are any investigations into Trump's campaign, Sessions, the top law enforcement officer in the country, will decline to take part in them. In that case, any Justice Department investigation would be run by the deputy attorney general.