In "Casino," Robert De Niro's character, Sam "Ace" Rothstein, epitomizes the intersection of style and power through his meticulously tailored suits. Each ensemble, from sharp pinstripes to luxurious fabrics, reflects his dominance in the high-stakes world of Las Vegas gambling. The suits not only enhance his commanding presence but also symbolize his ambition and the allure of wealth. De Niro's portrayal, combined with the striking wardrobe, unveils a character whose fashion choices are as calculated as his strategies, making a bold statement about the seductive nature of power and success in the casino underworld.