Joyce Beatty: Democratic National Convention

U.S. Rep. Joyce Beatty will join other top Columbus Democrats in backing Hillary Clinton for president during a Thursday news conference at Columbus City Hall.

(AP Photo/J. Scott Applewhite)

Columbus Democrats tout Clinton: U.S. Rep. Joyce Beatty, Columbus Mayor Andy Ginther, and former Columbus Mayor Michael Coleman are expected to hold an afternoon news conference in downtown Columbus highlighting their endorsements of Hillary Clinton for president and urging central Ohioans to vote early.

Clinton, Sanders hold town hall: Clinton and Bernie Sanders are scheduled to speak together at a "town hall" meeting in Las Vegas. The event, set to run from 6 p.m. to 8 p.m., will air on MSNBC and (in Spanish) on Telemundo.

Kasich campaigns around South Carolina: Ohio Gov. John Kasich has a long travel day ahead of him in South Carolina: he has campaign events planned in the Charleston area, at Clemson University, and in Fort Mill, near the North Carolina border.

Medical Marijuana Task Force meets: The Ohio House's Medicinal Marijuana Task Force, created by state lawmakers to study the issue, is expected to hold a 7 p.m. meeting at the Statehouse.

Others to watch: Republicans Jeb Bush, Ted Cruz, Marco Rubio, and Donald Trump are set to campaign in South Carolina.