Q: I’d like to upgrade the handrail system of my staircase. How are the newel posts typically fastened to the floor? A: Often, a newel post will be fastened with a metal bracket that surrounds its ...

Q-I’m in the midst of renovating my first old house. The staircase leading to the second floor has an oak handrail with spindles and a curlicue thing on top of the post at the bottom of the stairs.

Mo Rocca is an award-winning correspondent for "CBS News Sunday Morning," where he reports on a wide range of topics. Rocca is also the host and creator of the hit podcast "Mobituaries," and the host ...