Mitt Romney often talks about his heritage in Mexico, and his faith in the Mormon Church. The Church of Jesus Christ of Latter Day Saints has a complicated history in Mexico -- it's growing rapidly today, but more than 100 years ago it was a place Mormons went to avoid a prohibition on polygamy.
There's considerable time and money being put into building a substantial fence along the US-Mexico border. Environmentalists had succeeded in delaying sectors that could harm the environment, so Congress gave the Department of Homeland Security permission to waive any law that stood in its way.
For the last six years, a little-known infusion of American tax dollars has played a part in the fight against organized crime in the Mexican border city of Ciudad Juárez. Part of the money for the Merida Initiative is used to keep young people out of drug cartels and help boost the economy.
Mexico's battle against drug traffickers is looking increasingly like a real war. The Mexican Army is involved, and traffickers are responsing with brazen attacks. The World's Lorne Matalon has the story from Mexico City.
The US government has devoted a lot of resources to sealing the US-Mexican border. How effective has the build-up been, and what is the best way to measure it? Marco Werman speaks with Edward Alden, a senior fellow at the Council on Foreign Relations.