NEW YORK — Democratic presidential hopeful Bernie Sanders struck a more conciliatory tone Friday toward his rival Hillary Clinton, saying that “of course” she is qualified to be president and adding that he is eager to return to a discussion of “real issues.” Sanders’s assessment came two days after a speech in which he ticked off ways in which he said Clinton is unqualified for the presidency, including her acceptance of special interest money, her support of free trade deals and her support of the Iraq war. During an appearance at a “town hall” meeting broadcast live on NBC’s “Today”...