Street News: Barclays Chairman, EU Iran Sanctions

July 2 (Bloomberg) -- Bloomberg's Scarlet Fu reports on today's top news including Barclays' chairman resigns, EU sanctions against Iran have taken effect and AMC Networks reaches a broadcast deal with AT&T. She speaks on Bloomberg Television's "Bloomberg Surveillance."
Athens Returns to Talks, Blames Creditors for Impasse
02:56 - Greece returns to debt talks today with a defiant message to creditors. Bloomberg’s David Ingles reports on “First Up.” (Source: Bloomberg)
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