bracing for their first taste of snow, sleet, and freezing rain. also tonight, how the brutal cold complicates the first campaign contest of 2024. i m robert costa in iowa on the eve of the republican presidential caucuses. new polling on republican and national matchup. plus, today marks 100 days of war between israel and hamas. new demands for the return of hostages, and the latest from inside gaza. i m charlie d agata in tel aviv, where israelis mark the day in mourning and fear for remaining hostages while the death toll inside gaza continues to climb. in ukraine, u.s. funding stalls, threatening its fight against russia. i m chris livesay in ukraine, where officials say the country is finished without more u.s. military aid. new era. denmark s new king begins his new reign. and later, we remember the last of the honeymooners. joyce randolph s forever trixie and classic television s sitcom. always to face the camera. because when he turns profile, brot