Eisenhower also allowed the Central Intelligence Agency to engage in covert actions, such as the 1953 Iranian coup d'état and the 1954 Guatemalan coup d'état. A potentially devastating allegation hit when Nixon was accused by several newspapers of receiving $18,000 in undeclared 'gifts' from wealthy California donors. Eisenhower and his aides considered dropping Nixon from the ticket and picking another running mate. Eisenhower and his aides considered dropping Nixon from the ticket and picking another running mate. Eisenhower's largely nonpartisan stance enabled him to work smoothly with the Speaker of the House Sam Rayburn and Senate Majority Leader Lyndon Johnson. Though liberal members of Congress like Hubert Humphrey and Paul Douglas favored expanding federal aid to education, implementing a national health insurance system, and directing federal assistance to impoverished areas, Rayburn and Johnson largely accepted Eisenhower's relatively conservative domestic policies. In his own party, Eisenhower maintained strong support with moderates, but he frequently clashed with conservative members of Congress, especially over foreign policy.