Sherrod Brown

"Trump has used his phony populism to divide Americans," Brown said during the first stop of his "Dignity of Work" tour in Ohio on Wednesday.

The Ohio Democrat is considering a presidential run after winning a third Senate term in an increasingly red state.

The Senate Majority Leader scheduled a banking reform bill for consideration this week, effectively delaying a debate on gun control in Congress's upper chamber as much of the country turns to Capitol Hill for stricter firearms regulations. 

The bill rolls back some regulations from the 2010 Dodd-Frank Act, which placed restrictions on banks in the wake of the financial crisis.

Will Kaine and Booker vie for Clinton's mantle and Warren and Sherrod Brown vie for Sanders's?

Limiting competition ensures that taxpayers get a smaller bang for their buck.

With Clinton the presumptive Democratic nominee, speculation turns to possible picks for vice president.