Senator ___________ stood before the Senate and gave a fiery…

Senator ___________ stood before the Senate and gave a fiery speech known as “The Cotton is King” speech.  In simplistic terms, he states that no one in the world would dare to make war upon it.  The South could do without the Northern states; however, the North would not survive without the South (and its cotton).  

He was a republican senator from Wisconsin that accused 205…

He was a republican senator from Wisconsin that accused 205 people working in the American State Department of being communist.  In 1954, a confrontation with the army led to national televised hearings, which tarnished his public image and spurred disapproval from the Senate.  Who was he?