McCarthy vs. The Army
Next Eisenhower ordered the publication of documents that showed Roy Cohn threatening the army to obtain preferential treatment for David Schine, who had just been drafted. Many called upon McCarthy to apologize and fire Cohn, neither of which he did. Instead, the senator rebutted the claims, stating the army was “trying to use Schine as a hostage” to blackmail him into stopping investigations on the army.

"Army McCarthy Hearings Begin", United Press International
“Let us not assassinate this lad further, Senator. You’ve done enough. Have you no sense of decency, sir, at long last? Have you left no sense of decency?”
– Joseph Welch, June 9, 1954 (McCarthy, PBS)

"U.S. Sen. Joseph McCarthy, R-Wisconsin, covers the microphones while conversing with his chief counsel, Roy Cohn, during a committee hearing in Washington, D.C., in 1954", Associated Press File