Hundreds Dead in Mexico After Earthquake Strikes on Anniversary of Devastating 1985 Quake; Hurricane Maria Strikes Puerto Rico, Threatening to Be the Most Catastrophic Storm in a Century; Senate Republicans Scramble to Secure Votes for Last-Ditch Effort to Repeal Affordable Care Act; Advocates Warn All Rohingya May Be Driven Out of Burma If Military’s Ethnic Cleansing Continues; Cuban Lawyer Slams Trump as “Enemy to Most of the World” as He Vows Not to Lift Sanctions.