Miami dodged catastrophe when Hurricane Irma swerved. Even so, much of its downtown ended up submerged. Keeping the sea at bay has rapidly become costlier and more complicated for this Pan-American boomtown, whose skyline holds record foreign wealth. What if...? I talked to condo power broker Alicia Cervera Lamadrid and the Miami Herald's Nick Nehamas. We're on Twitter @FullDRadio
