The correct response would be:
The broader implications of an idea would be discussed before the reader understands what the idea is.
Reversing the order of paragraphs 3 and 4 would mean starting with the global statistics about media leadership and overall corporate diversity, which might confuse readers who are still trying to grasp the specific context of the journalism industry in the U.S. Before understanding the local statistics, readers would be presented with broader implications, potentially leading to a lack of clarity about the specific issues within U.S. journalism.