Capital One Financial's $35.3 billion deal for Discover Financial would create new competition for payments behemoths Visa and Mastercard, potentially helping smoothen the path for regulatory approval, analysts said. The all-stock deal announced on Monday would give Capital One access to Discover's network of payments processing and settlement services, allowing it to cut its reliance on Visa and Mastercard, which have come under fire for their fees.While legal experts expect the deal - the biggest in the g ...