This week’s Friday Q&A is packed with six listener questions covering some of the biggest financial decisions people face before and during retirement. Topics include whether actively managed bond funds are worth the extra cost, how the new senior tax deduction may affect Roth conversions, whether a 24-year-old should keep a whole life insurance policy, financial planning before marriage, the role of mid-cap funds, and whether it’s worth abandoning a target-date fund before retirement. If...