New Delhi: Following President Joe Bidens surprise announcement to drop out of the upcoming presidential race and endorse Vice President Kamala Harris as the Democratic nominee, Republican nominee Donald Trump wasted no time in launching scathing criticisms against his political rivals. Trump asserted that defeating Harris would be easier than President Biden, whom he branded as the worst President in the history of the United States.Biden worst president in the history of USIn an exclusive interview with CNN, Trump didnt hold back, declaring, He (Biden) goes down as the single worst president by far in the history of our country. Trump further reinforced his stance on social media platform Truth Social, labeling Biden as crooked and unfit for the presidency. Crooked Joe Biden was not fit to run for President, and is certainly not fit to serve -- And never was! he proclaimed, pledging to rectify what he perceives as the damages inflicted by Bidens administration.What Donald Trump said Donald Trump Jr., echoing his fathers sentiments, took to social media to criticize Vice President Harris, calling her less competent than Biden. He emphasized her role in managing immigration issues at the border, suggesting she exacerbated problems during her tenure. Kamala Harris owns the entire leftwing policy record of Joe Biden. The only difference is that she is even more liberal and less competent than Joe, he posted on X.Bidens decision and endorsement of HarrisPresident Biden, 81, made a pivotal decision to withdraw from the presidential race following what pundits described as a lackluster debate performance against Donald Trump. In a letter posted on X, Biden expressed gratitude for his term in office and his intention to focus on serving the nation effectively for the remainder of his term. He endorsed Vice President Kamala Harris as the Democratic nominee, urging unity within the party to secure victory against Trump in the upcoming election.Political landscape shiftsWith Bidens exit from the race and the Democratic party rallying behind Harris, the political landscape of the upcoming presidential election has taken a dramatic turn. Harris, now poised to lead the Democratic charge, faces the formidable task of uniting the party and preparing for a head-to-head contest against Donald Trump, who continues to wield significant influence within the Republican ranks.