Q: I have an IRA from a previous employer that is not performing too well. The Thrift Savings Plan seems to be rebounding rather nicely over the past several months. Should I move the IRA into the TSP? Can this be done without any penalties? A: The TSP is a better investment environment than any retail IRA account I have ever seen, and I generally recommend that eligible investors move their IRA money into the TSP whenever possible. You are eligible if your IRA account contains no after-tax money — money from non-deductible contributions. Check with your IRA custodian to…