Color us unsurprised that US law enforcers would push hard for surveillance access. Congressman Ed Markey has published a new report on requests to cellular carriers that shows a recent rush of demand for information, including last year. The rates vary sharply, but T-Mobile has seen a yearly hike of 12 to 16 percent, while Verizon has seen its own grown 15 percent -- and Sprint took nearly twice as many surveillance requests as AT&T or Verizon in 2011, despite its smaller size. Markey's concern is that police and other investigators are casting too wide a net and sweeping up inno