According to Pew Research, President Donald Trump won older voters (50-64 years old) and seniors (65 and up) by significant margins in 2016. But the incumbent by no means has a lock on these crucial voting blocks moving into his fall contest against Democratic challenger, former Vice President Joe Biden. Older voters are not a monolith, but they do tend to coalesce around a core set of key issues that impact their interests, their quality of life, their financial security, their health, and their health care. Trump and Biden are two radically different candidates with radically different ideas and policies, many of which are sure to impact the lives of millions of seniors. Here's how a Biden win could alter the landscape for older Americans.