The Big Conversation:
After the biggest week of his political career, Julián Castro already has plans for his newfound national stardom.
The San Antonio mayor, whose keynote speech at the Democratic National Convention on Tuesday thrust him squarely into the national spotlight, will stump for President Barack Obama in swing states throughout the fall, according to the San Antonio Express-News.
Castro began his tour on Sunday in Virginia, where he spoke to students at George Mason University and to a group of campaign volunteers in Fairfax. The Express-News reports that Castro may also travel to Colorado, Florida and Nevada ...