Watch CBSN Live

Why is Donald Trump condemning the GOP nomination process?

Donald Trump has called the Republican nomination process a "rigged...dirty system". His rivals are changing their campaign strategy to guarantee a contested convention in Ohio. With analysis on the GOP race, The Washington Post's Philip Bump and Politico's Steven Shepard join CBSN.
View CBS News In
CBS News App Open
Chrome Safari Continue
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.