Actor Leonardo DiCaprio took the stand and testified in the federal trial of Prakazrel “Pras” Michel, founder of the hip hop band Fugees, and his alleged involvement in a money laundering scheme that included a huge — and illegal — donation to Barack Obama’s 2012 re-election campaign. FACT-O-RAMA! Fugees are best known for their cover of Roberta Flack’s “Killing Me Softly With His Song.”DiCaprio recalled a conversation with Malaysian financier Jho Low, who mentioned that he was looking to donate millions of dollars to the Obama campaign by giving the money to Michel and having him pass it to Obama’s...