Editor:The planet experienced its hottest day on record this week, and for much of the country, there is no end in sight to these dangerous temperatures. Experts predict Texas will endure scorching conditions for the foreseeable future.As unsafe as sweltering temperatures are for us, they can be even more deadly for dogs. The worst-afflicted are flat-faced, breathing-impaired breeds (BIBs), like bulldogs, Boston terriers, pugs, and boxers, who struggle to breathe even on mild days. Because dogs release body heat primarily through panting, BIBs, who can’t breathe as efficiently as dogs with normal-length snouts, are at least twice as likely to ...