It's a cause they really like to, "get behind."
It isn't just on the Democratic agenda. It is on the Log Cabin republicans, coast to coast, agenda too:
Excerpt: The United States military's Don't Ask, Don't Tell (DADT) policy must be changed. This blatant discrimination damages our military readiness and weakens national defense./excerpt
So, ANY LCR endorsed republican will be supporting to change the current "Don't Ask, Don't Tell (DADT) policy".