Americans are hearing about a more varied range of topics when they hear about Biden, and those things are more often positive than they are for the President. Those findings are the result of six weeks worth of polling asking Americans what they have heard, read or seen about the presidential candidates lately. CNN and its polling partner SSRS have teamed up with researchers from Georgetown University and the University of Michigan to ask this question of Americans every week from the end of June through Election Day. This first batch of results lays out the environment Trump and Biden will each face in defining themselves for voters as they head in to their conventions and the fall campaign season. Each week so far, roughly 7 in 10 Americans report having seen, read or heard something about the President in the past few days, compared with roughly 6 in 10 saying the same about Biden, who will officially become the Democratic nominee for president during the Democratic National Convention, which kicks off Monday. That mirrors the dynamic in the last presidential race. In polling conducted by Gallup in 2016, more people reported hearing, reading or seeing any information about Trump in most weeks than said the same about his opponent, Hillary Clinton. But there is a critical difference shaping up between the data collected in 2016 and the results we are seeing in 2020. What Americans are hearing about Trump more often focuses on the ongoing coronavirus outbreak than on any other topic. In 2016, the top topic for Trump varied week to week, and no single topic came to dominate his candidacy. Discussion around Clinton, however, was relentlessly dominated by discussion of the controversy surrounding her use of a private email server while she was Secretary of State. The pattern in the data on Trump this year seems to mirror Clinton's rather than his own 2016 trendline. In each week, coronavirus has been both the top topic mentioned when Americans say what they've heard about the President, and it is the top individual word for each week as well. In five of the six weeks of data, mentions of coronavirus for Trump are generally higher among Democrats and independents than among Republicans. The President's partisans, in each week except for one, are more likely to mention a word related to the economy, reopening or unemployment than are Democrats and independents. Even with the dominance of coronavirus in Trump's mentions, his individual policy actions do break through: For the week ending August 9, for example, "executive," "order" and "stimulus" all appeared in the top 20, as did "TikTok." The data on Biden reveal a different pattern. His top topic varies week to week, and the most frequent to top the list is general positive mentions of the candidate -- that category includes words like "nice," "honest," "good" and "cares." The word "good" was one of Biden's top three words in five out of the six weeks for which we have data. In th