good morning. welcome to cnn this morning. sunday, november 19. i m victor blackwell. i m amara walker. thank you for being with us. here s what we re watching for you. president biden is rejecting calls for a ceasefire in gaza. what israel s prime minister is saying about hostages being held by hamas. republican presidential i candidates, what they are saying about the president and each other. good news for people hitting the roads this thanksgiving holiday. gas prices are at their lowest levels in years and analysts say they are likely to drop even more. bad news if you are flying. a wet week ahead with several systems that could slow down travel across the country in the air. we ve got your holiday travel forecast. we begin this morning with reports out of gaza where there was an explosion at a u.n.-run school. we want to warn you. the video you re about to see is disturbing. video shows dozens of bodies, including women and children. the school was being used