Rubio criticized over gun control, LGBT rights
Christine Leinonen criticizes Marco Rubio over gun control
Nomination to face steep congressional opposition
Congress returned from summer recess on Tuesday
Christine Leinonen spoke at gun control rally in D.C.
Murphy approved as under secretary of the Army
Murphy sponsored legislation to repeal military's gay ban
Facility designed to support professional growth of members
The repeal of "Don't Ask, Don't Tell" became official on Sept. 20, 2011
Conn. senator credited with leading 'Don't Ask' repeal effort
