Dallas Mavericks owner Mark Cuban on Monday told Texas Sen. Ted Cruz to “have some balls for once” after the Republican criticized him – but not by name, at first – over his support for players taking a knee during the national anthem to protest police brutality. Cruz’s retort? His own taunt about testicular fortitude. “Speaking of balls, tell us what you think about China?” the senator said to Cuban, referring to how Cuban and other NBA figures have declined to criticize Beijing for, among other things, its crackdown on pro-democracy protests in Hong Kong. “I’ll wait.”