Now that Barack Obama has taken the Iowa caucus, plenty of us are wondering how we can take a page from his style book.

He proves you don't need an American-flag lapel pin to be both senatorial and smooth. If you're an aspiring politician or a soon-to-be Oprah darling, take a lesson.

Hickey Freeman Madison Solid Wool Suit: Barack is to the two-button suit what Matt Lauer once was to the pocket square. ($1,195 from Nordstrom)

Façonnable Classic Dress Shirt: What's better than a great shirt and a great tie? A great shirt without a tie. ($125 from Nordstrom)

Cole Haan Ontario Oxford Shoes: ($120.25 from Shoes.com)