When they leave or retire from the government, just over half of Thrift Savings Plan participants move most or all of their TSP balances someplace else.This despite the fact that the TSP has some of the lowest administrative fees in the business and is subject to oversight by the Treasury, the Labor Department and many if not most members of Congress and their staffs belong to the TSP and have keen interest in seeing it does well.But now that Congress has authorized a modernization of the TSP, many suspect that it will be more attractive to feds when they leave or retire and that they will stick with it.Financial planner Arthur Stein will explain why when he joins host Mike Causey on this weeks Your Turn. He will also talk about how the changes implemented under the TSP Modernization Act will affect you.