Despite our commander-in-chief's seemingly undying allegiance to BlackBerry, it looks like the federal government could be ready to make a break from RIM. According to a Washington Post article published yesterday, a number of agencies within the federal government are questioning their attachment to the standard-issue BlackBerry devices, and allowing government employees to bring in their own preferred methods of communication -- among other things, Congress now allows the use of iPads and iPhones on the House floor and use of BlackBerrys at th