(Bloomberg) -- Mexico’s President Andres Manuel Lopez Obrador dismissed US presidential hopeful Donald Trump’s talk of a wall at the Mexican border as campaign rhetoric, in a rare TV interview with US network CBS’s 60 Minutes program.Most Read from BloombergUS Homebuyers Expecting $10,000 Savings Face Tough RealityFed’s Powell Ready to Support Job Market, Even If It Means Lingering InflationHarassment and Drugs Plagued a Citigroup Division for YearsTrump Faces Moment of Truth for His Finances in