david: j.c. paretz, thank you very much.s one of the largest and most complicated tobacco industry mergers ever, combining reynolds american with lorillard in a $27 billion deal. the architect of this megamerger which involves a whole bunch of other companies too, reynolds american ceo susan cameron, umdaunted, gutsy, talking about that and regulatory challenges's well, also, f5 networks, off to a strong start up this year. up 27%. slate of new products and grow demand for security systems for computers help boost sales. the man calling shots inside the network equipment giant, ceo is joining us in a fox business exclusive. you want to get in on this. ♪ david: argentina's debt talks are still going down to the wire and again with the country hovering on the brink of default. hedge funds may not be the only ones interested in argentine government bonds that could be affected. the growing number of mutual funds have also been on those bonds. the funds can only get a fraction of their investments back. highland capital manageme