Hear the sound of a grassroots campaign in action as volunteers got ready for President Obama's visit to Des Moines, Iowa.

When Mitt Romney ran for governor of Massachusetts, he promised to use his private sector experience to balance the budget, keep taxes low, and create jobs. Here's what happened instead.

First Lady Michelle Obama answered your questions on everything from the most inspiring people she's met to family conversations about marriage equality in a new video.

"Making a contribution to the Obama campaign is something that has a national impact. Even if I can’t give my own time in a big way, I can at least contribute—and send a strong message.”—Brendan, a grassroots fundraiser who made his first donation after President Obama announced his support for same-sex marriage.

Celebrate the start of Pride month by checking out a new interactive timeline of the progress President Obama and the LGBT community have made over the last three years.