President Donald Trump was dealt a new blow to a key administrative pillar, as a poll released Friday by Emerson College showed his approval rating down regarding his handling of immigration. Why It Matters Immigration remains a cornerstone of Trump's presidency and a defining issue of his administration.

A July Strength In Numbers/Verasight poll released on Tuesday found that Trump and his legislative agenda remain broadly unpopular. The poll revealed that 42% of U.S. adults approve of Trump’s overall job as president, while 57% disapprove.

Immigration ranked top issue for voters and how they see Trump's job performance. What's his approval rating in Florida after Alligator Alcatraz visit