Democratic U.S. Sen. Elizabeth Warren joined candidate Alison Lundergan Grimes Sunday in Louisville.
Warren and Grimes were promoting a plan to relieve student loan debt in another example of Democrats pushing pocketbook issues heading into the midterm elections.
Warren has been canvassing the country following a failed vote in the U.S. Senate that would have allowed some people to refinance their student loan debt to take advantage of lower interest rates. But Republicans, led by Sen. Mitch McConnell, blocked the bill because it would have raised taxes on the wealthy to pay for it.
Grimes called out McConnell for siding with millionaires, saying on education, "I believe it's a necessity that should be available to all Kentuckians. It is and should be the passport out of poverty not into poverty."
McConnell has countered that the bill was more about politics and never about students. He voted for a 2013 bipartisan compromise on lowering student loan rates. Warren opposed that bill.