coverage of the iowa caucus will continue. see you sunday morning. happening now, u.s.-led air strikes inseed yemen trigger a vow of retaliation by iran-backed militants. mass protests erupt in yemen and fears of a full scale regional war intensify. also this hour, a potential blizzard and bitter cold are disrupting the final push to the iowa caucuses. we re tracking the candidates and severe weather with only three days to go before the first presidential votes of 2024. welcome to our viewers here in the united states and around the world. i m wolf blitzer, you re in the situation room. let s get to our top story tonight. iran-backed houthi militants vowing to hit back after a u.s. led coalition struck their position faze yemen. the national what is president biden saying as the u.s. braces for retaliation? wolf, the president spoke briefly earlier today reiterating that the united states stand as poised to respond to any additional houthi action including missile an
cross roads. the upcoming presidential election some call a choice between peace and war. taiwanese voters face a monumental decision. continue prioritizing ties with washington or recalibrate the u.s. relationship and mend fences with beijing. translator: if the democratic progressive party doesn t change their direction, i think that war could happen in our generation. reporter: the campaign s final days and hours, three parties drawing battle lines. watching closely china s communist leaders and u.s. lawmakers. taiwan s ruling party, a democratic progressive party, or dpp, the presidential front-runner. we are determined to safeguard peace and stability in the taiwan strait. reporter: presidential candidate and current vice president lai ching-te running alongside taiwan s u.s. envoy, a