Ken is again quoted in the New York Times.
This was sent in a newsletter and it did not have a paywall. I do subscribe. You may have to get it by putting the link in your browser and it may in other publications also. It came up in Private Browsing also if you have a Mac without signing in to your account. You can put "Now May Be the Time to Lock In High Interest Rates on Your Savings" into your browser to get it also if you can't read the NYT's.
https://www.nytimes.com/2023/12/29/your-money/savings-interest-rates-cd.html?campaign_id=12&emc=edit_my_20240102&instance_id=111517&nl=your-money®i_id=90872667&segment_id=154088&te=1&user_id=66de6bdb746b80a506844ad53ce63025