Trump offers "an olive branch" and threats to Iran over potential nuclear deal. Robert F. Kennedy Jr.’s hearings get heated when lawmakers question him on vaccines. And a mountain climber survives a 200-foot fall in Washington state — without breaking a bone. Here’s what to know today. Top official claims Iran is ready to sign a nuclear deal with Trump A top Iranian official said the country is ready to sign a nuclear deal with the U.S. in exchange for lifting economic sanctions after President Donald Trump offered Iran “an olive branch,” as well as threats should the country not...