Email subscription to blog

I've had several readers request that I add an email subscription to the blog.  I finally got around to adding one.  You can either scroll down to the footer at the bottom of the page and enter your email address, or just do it here:

Enter your email address to subscribe to the blog:

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My blogging hasn't been as regular the last couple months due to teaching, traveling, and trying to finish a new book due to the publishers this summer, but I aim to continue to add new material at least a couple times each week.  Thanks for following.