Homepage redirects www, but blog redirects to non-www

My site is http://www.stadriemblems.com and I have it redirecting to the www version. Here is my .htaccess code:

RewriteEngine On

RewriteCond %{HTTP_HOST} !^www\.stadriemblems\.com$
RewriteRule (.*) http://www.stadriemblems.com/$1 [R=301,L]

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} index.html
RewriteRule .* http://www.stadriemblems.com/? [R=301,L]

RewriteEngine On
RewriteCond %{HTTPS} on
RewriteCond %{REQUEST_URI} !^/order\.html
RewriteCond %{REQUEST_URI} !^/cgi-bin/order\.cgi
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}

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But my blog http://www.stadriemblems.com/blog seems to be forcing the www off the URL. Here is the .htaccess of my Wordpress blog:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /blog/
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /blog/index.php [L]
</IfModule>

RewriteEngine On
RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}

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I don't know much about reading .htaccess code; I just copy and paste examples. Am I inadvertently redirecting my blog to the non-www?

I want everything to have the www so Google doesn't think my blog is a different site.