Here are a few highlights from Cato Today, a daily email from the Cato Institute. You can subscribe here.

• Scott Lincicome discusses how the Obama administration has put U.S. leadership in free trade in jeopardy.

• Ted Galen Carpenter discusses President Obama’s recent trip to Mexico to meet with President Felipe Calderon.

• Appearing on PBS, Cato Chairman Robert A. Levy debates the state of American gun laws.

• Watch Juan Carlos Hidalgo discuss Obama’s trip to Mexico on BBC World.

• In today’s Cato Daily Podcast, John Samples discusses what the “Tea Party” protests mean for the GOP.