A State Department official dismissed a plea Friday from Israeli Prime Minister Benjamin Netanyahu that the Iran nuclear agreement include clear recognition of his nation's "right to exist," declaring negotiations are "only about the nuclear issue." State Department spokeswoman Marie Harf, in a terse response to a question about Netanyahu's concerns, told reporters, "This is an agreement that is only about the nuclear issue" -- a comment that indicates the Obama administration is not looking to enshrine Israel's security into a final agreement. Harf, for her part, suggested the talks are complicated enough already. "This is an agreement that doesn't...