Washington (AFP) – A month after he snubbed Joe Biden’s Americas summit, Mexican President Andres Manuel Lopez Obrador sat down with his US counterpart Tuesday at the White House, amid rising tensions over migration. Biden underscored the need to address “migration as a shared hemispheric challenge” in remarks ahead of the meeting, describing long-time ally and neighbor Mexico as an “equal partner.” He said his administration was expanding legal pathways for work in the United States from Mexico and Central America, citing “a record” 300,000 temporary work visas issued for Mexican workers last…