By ANITA SNOW and MARY KATHERINE WILDEMAN, Associated Press PHOENIX (AP) — On just one sweltering day during the hottest June on record in Phoenix, a 38-year-old man collapsed under a freeway bridge and a 41-year-old woman was found slumped outside a business. Both had used methamphetamine before dying from an increasingly dangerous mix of soaring temperatures and stimulants. Meth is showing up more often as a factor in the deaths of people who died from heat-related causes in the U.S., according to an Associated Press analysis of data from the U.S.