>> go from one shade spot to the next shade spot and kind of make our way that way. >> drank a lot of water. >> you're going to need that water. the heat is expected to linger through the rest of this week. it was a deadly day for coalition troops in afghanistan. five u.s. soldiers were killed in three separate incidents. a british soldier was also killed in a roadside bombing. the news comes as senators john mccain, joe lieberman and lindsay graham continue their tour of the battlefield. mccain told troops he believes securing kandahar is the key to winning the war. a nationwide amber alert has been issued for a missouri girl. 4-year-old alyssa maier disappeared from louisiana, missouri around 8:00 last night. police say a young white man driving a black four door car snatched her from her front yard. she has brown eyes and brown hair. anyone with any information is urged to call police. >> the cash strapped postal service is announcing plans for rate increases today. the post office usually is only