How low can Trump’s approval rating go?

Historically, net approval declines by about 20 points from the 100-day mark to the midterms

If it's Friday, it's time for the Chart of the Week! Although this week, you technically get three new charts (and four total), so maybe we need to rename this Charts of the Week... anyway:

On Monday, someone posted on the Strength In Numbers chat wondering if President Donald Trump's approval rating, now the lowest on record for the 100th day into a pre…