Donald Trump has scored a resounding victory in the Iowa primaries, outdoing his nearest rival by 30 points.
DeSantis' strategy to position himself as a more conservative aspirant than Trump has failed.
Haley, although third, has chances for an honorable second place in the upcoming New Hampshire primaries.
Trump controls the entire structure of the Republican Party and his ability to mobilize his voters remains intact.
Biden's approval index has dropped to 38%, raising doubts about his suitability among the democratic electorate.
Conclusion: The current political scenario shows that Trump remains a prominent figure among Republicans despite his legal woes, while Biden's credibility among Democrats is waning.