Associated Press: Relentlessly sweltering heat across Texas was blamed Saturday for three deaths in Dallas County, and forecasters warned that the worst is likely still ahead. The Dallas County Medical Examiner’s Office confirmed three heat-related deaths – two people last month in their 80s, and a 49-year-old man in June – as the Dallas area braced for an expected 107-degree scorcher Sunday that would rank as the hottest day of the year. Saturday’s high of 104 around Dallas was the ninth …