A federal lawsuit was filed Wednesday challenging the Veterans Affairs Department for refusing to recognize legally married gay and lesbian military couples and denying them the same family benefits as their heterosexual colleagues. With the repeal last year of Don’t Ask, Don’t Tell allowing gays and lesbians to openly serve in the military, activists have now turned their focus to gaining full benefits for legally married same-sex active duty and veteran service members and their families. The Southern Poverty Law Center and the law firm WilmerHale filed the lawsuit Wednesday in Los Angeles on behalf of military veteran Tracey Cooper-Harris...