Why factions make presidents’ job difficult according david yalof

David Yalof explains the selections of nominees to the Supreme Court. He talks about different factions in the government and what has to be considered when the President makes a nomination. The President has countless resources to help in his decision making process. Yalof tells us that while the support seems to lead to better decisions, but what actually result is, groups attempting to gain the love of the president to nominate the candidate they want. Looking at the causes of change in selection process, Yalof tells us that the Supreme Court has taken a stage in Politics.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.