[Crossposted from here: http://letreasonreign.wordpress.com/2012/04/15/easter-arithmetic/  Please crosspost any comments you make in the comment section there.] It’s still Eastern and Oriental Orthodox Easter as I write this, so it’s just under the wire. Last Sunday (Protestant and Catholic Easter) as I was walking out of a Secular brunch that we hold every second and fourth Sunday of the month (…