The ad will run for the next two weeks in Washington, D.C.
Mark Kirk says the court upheld "access to health care for women."
Carlos Beruff hopes to upset Marco Rubio in the August Senate primary.
Lisa Hagen 06/26/16 02:38 PM EDT
The winner of the five-way primary faces an uphill battle against the well-funded Michael Bennet...
Ben Kamisar 06/26/16 10:30 AM EDT
All other Republican candidates have dropped out of the Senate race to make way for Rubio.
"It's not the safest route forward," Rubio said.
Duckworth is running to unseat incumbent Sen. Mark Kirk (R-Ill.).
McConnell said Trump has made "a number of very significant gaffes."
Todd Wilcox's departure gives Rubio only one challenger.