A certain tilted building may be a tourist attraction in Italy, but for Mexico City’s urban planners, lopsided buildings are a more serious matter. The city’s main cathedral and other historic buildings are leaning on each other, cracking, and sinking because the city is draining its groundwater too fast and preventing nature from refilling it.Mexico City’s incoming mayor, Claudia Sheinbaum , has promised to boost the water service’s budget by 50% and give it greater political autonomy. Sheinbaum, the city’s first-ever female leader, is well-suited . . .