Sarah Palin endorsed Donald Trump for president Tuesday night, giving a speech that eviscerated the GOP establishment and energized a crowd more than 1,000 here.“(He is) the only one who’s been willing, who’s got the guts to wear the issues that need to be spoken about and debated on his sleeve,” Palin said of Trump, who is working to rally support from Iowa caucusgoers who head to precincts on Feb. 1. DR