Answer:

sen

AnswerCrossword Clue
SENOne in a hundred: Abbr.
SENWesternmost country in continental Afr.
SENFormer monetary unit in Japan
SEND.C. V.I.P.
SENOne with a six-year term: Abbr.
SEN1%-er in D.C.?: Abbr.
SENOne of 100 in D.C.
SENTitle for many a W.H. aspirant
SENChina's Sun Yat-...
SENMany a pres. candidate
SENPolitician with a six-year term: Abbr.
SENCory Booker or Cory Gardner: Abbr.
SENOne of 100 in D.C.: Abbr.
SENWorker in a chamber: Abbr.
SENMany a presidential hopeful: Abbr.
SENBooker's title: Abbr.
SENOne of 100: Abbr.
SENBooker or Tester: Abbr.
SENOne in 100: Abbr.
SENCloture voter: Abbr.
SENJack Reed or Harry Reid: Abbr.
SENChamber worker: Abbr.
SENHill V.I.P.: Abbr.
SEN2005-08 position held by Barack Obama: Abbr.
SENRand Paul or Marco Rubio: Abbr.
SENV.I.P. on the Hill: Abbr.
SENSchumer or Shaheen: Abbr.
SEND.C. mover and shaker: Abbr.
SENOne in an upper chamber: Abbr.
SENSee 65-Down: Abbr.
SENRep.'s counterpart
SENOne of a D.C. 100
SENOne of 100 on the Hill: Abbr.
SENCapitol Hill V.I.P.: Abbr.
SENEither of two cousin Udalls: Abbr.
SENHill person: Abbr.
SENStatehouse worker: Abbr.
SENMcCain or McConnell: Abbr.
SENPerson going into a house?: Abbr.
SENMember of the upper house: Abbr.