aboard air force one white house wednesday slam senate nearly unanimous vote reject president barack obama veto legislation allow relatives victims sept. 11 2001 attack sue saudi arabia government single embarrass thing unite state senate do possibly since 1983 white house spokesman josh earnest tell reporters brief refer last time chamber overwhelmingly override president veto earnest say lawmakers recently inform potential drawbacks approve legislation senators move forward override president veto would prevent negative consequences abdication basic responsibilities elect representatives american people say white house call senate override veto september 11 bill 'embarrassing