The New York State attorney general has sent letters to the chief executives of Apple, Microsoft, Google and Samsung asking them for help in combating cellphone theft and hinting he may pursue legal action if they don't cooperate.Related StoriesApple may kick Google out in iOS 7, Google bites back with 'change default to Chrome' adviceAmazon launches iOS photo app for Cloud DriveiPhone 6 rumour rollup: Bein
