Republican presidential front-runner Donald TrumpDonald John TrumpTrump conversation with foreign leader part of complaint that led to standoff between intel chief, Congress: report Pelosi: Lewandowski should have been held in contempt 'right then and there' Trump to withdraw FEMA chief nominee: report MORE says he is taking notes on how Democratic candidate Bernie SandersBernie SandersBiden lead shrinks, Sanders and Warren close gap: poll Biden allies: Warren is taking a bite out of his electability argument Overnight Health Care — Presented by Partnership for America's Health Care Future — Pelosi set to unveil drug price plan | Abortion rate in US hits lowest level since Roe v. Wade | Dems threaten to subpoena Juul MORE attacks rival Hillary ClintonHillary Diane Rodham ClintonQueer Marine veteran launches House bid after incumbent California Rep. Susan Davis announces retirement Poll: Trump neck and neck with top 2020 Democrats in Florida Former immigration judge fined, temporarily banned from federal service for promoting Clinton policies MORE for ideas to use against her in the general election. 
“I’m gonna be taking a lot of things that Bernie said and using them,” Trump told MSNBC’s “Morning Joe” on Wednesday morning. “I can reread some of his speeches, I can get some very good material.”
Trump said he was surprised by some of the attacks Sanders has lobbed at Clinton in the Democratic presidential race.
Sanders said “that essentially she has no right to even be running,” he said. “That she’s got bad judgment. When he said ‘bad judgment,’ I said ‘sound bite!’”
Trump reiterated his call for Sanders to mount a third-party run for president.
“Bernie has been very effective but treated very badly by the Democrats and by the Democratic Party and frankly should run as an independent,” he said.
Trump made a similar call in a tweet Tuesday.