The retirement announcement this week from Sen. Rob Portman is a sign that even as we just finished one election, another one is right around the corner. Democrats seemed to be pleased that the Ohio Republican is stepping aside because beating an incumbent senator is hard. …
But history suggests Democrats have their work cut out for them if they want to maintain or expand their majority of 50 seats (with Vice President Kamala Harris breaking the ties). The simple fact is that while there are exceptions (e.g. 2018), midterms tend to be tough for Senate candidates of the party controlling the White House. CONTINUED
Harry Enten, CNN