Kasich got into a tense exchange with a questioner at a California forum.
Cruz said the protesters were trying to "silence a voice they don't like."
Sanders' camp said an investigation showed they "never 'stole' any voter file data."
He said he will beat Clinton the same way he ran through the GOP field.
“That was not the easiest entrance I’ve ever made,” Trump said.
Mario Trujillo 04/29/16 04:07 PM EDT
Advocates have put pressure on major companies in recent weeks.
He added that the GOP should avoid a divisive fight for the presidential nomination.
CBS secured hidden camerage footage of National Republican Campaign Committee headquarters.
Mary Pat Christie appeared to roll her eyes at Trump's "woman card" comment about Clinton.
Republicans are lining up to target Democratic Sen. Michael Bennet.