washington u.s. senate budget committee thursday vote confirm republican congressman mick mulvaney white house budget director president donald trump senators narrowly approve trump nominee along party line 12-11 vote democrats criticize hard line fiscal position popular social program fail pay 15,000 tax relation household employee nominate nomination move senate floor full confirmation vote mulvaney south carolina republican lead member conservative house freedom caucus favor raise social security retirement age 70 means-testing beneficiaries medicare healthcare program budget committee chairman mike enzi wyoming republican tell panel mulvaney uniquely qualify budget director prove budget hawk vocal need rein government spend debt nominee come fire senator bernie sanders independent run democratic presidential nomination last year vermont lawmaker warn mulvaney position social security medicare contradict trump campaign statements leave program untouched sanders also say failure pay tax nanny employ 2000 2004 disqualify nominee sanders fellow independent angus king maine vote committee nine democrats oppose mulvaney senate budget committee approve mulvaney budget director