The Rise and Fall of Ron DeSantis's Presidential Aspirations.

With Ron DeSantis expected to officially launch his presidential bid next week, GOP rivals are smelling blood and believe he is a paper tiger who cannot withstand the blunt impact of Trump's hammer or the full fury of a united Democratic Party. Meanwhile, Sen. Tim Scott has filed paperwork to formally join the growing field of Republicans vying to overtake Trump as the party's 2024 standard-bearer. The U.S. will support a joint international effort to train Ukrainian pilots on modern fighter aircraft, including F-16s, and college admissions are in flux as more students turn to new programs to stand out.