(apex ! ) in which circumstance would the u. s. government most likely be able to constitutionally limit a citizen's right to freedom of speech? a. a candidate for office harshly attacks his opponent and questions his competency. b. a protestor rallies a crowd to break into a politician's home and destroy her property. c. a comedian tells a joke that mocks the president's new plan to raise taxes. d. a racist political activist delivers a speech insulting and belittling racial minorities.