MADISONVILLE, Ky. — Senate Minority Leader Mitch McConnell is hopeful that Republicans, who are predicted to take control of the Senate in Tuesday’s elections, might influence President Obama to change course on foreign policy.

Specifically, McConnell said a Republican Senate would vote on legislation to toughen sanctions on Iran that has been stalled by Majority Leader Harry Reid, D-Nev., at the request of the Obama administration, which is in the process of negotiating a deal with Iran to limit the Islamic country’s nuclear weapons program. Many Democrats support the legislation as a means to push Iran to accept major concessions in the talks.