Much to the chagrin of his economic advisors, who wanted him to reduce taxes, Kennedy quickly agreed to a balanced budget pledge. This was needed in exchange for votes to expand the membership of the House Rules Committee in order to give the Democrats a majority in setting the legislative agenda. The president focused on immediate and specific issues facing the administration and quickly voiced his impatience with pondering of deeper meanings. Deputy National Security Advisor Walt Whitman Rostow once began a diatribe about the growth of communism, and Kennedy abruptly cut him off, asking, "What do you want me to do about that today?"