December’s parliamentary and municipal elections, which saw populist President Aleksandar Vučić tighten his grip on power, have been marred by reports of irregularities, including vote-buying and ballot-box stuffing. As the new parliament held its first session, opposition lawmakers gathered around the speaker’s stand, whistling, booing and holding signs claiming President Vučić “stole the elections.” The protests were denounced by supporters of the ruling Serbian Progressive Party (SPP), as they claimed the opposition’s resistance showed a lack of “patriotism.” Opposition lawmakers refused to…