ABCNews -- Parents who take their sick kids to the pharmacy expecting to get the child-friendly liquid version of the antiviral drug Tamiflu may be surprised to discover that their pharmacist is fresh out. With the government having disbursed the last 234,000 courses of liquid Tamiflu from its strategic national stockpile last week, pharmacists across the country now find themselves staring down the barrel of a shortage of the version of the drug that they often prescribe to children who have difficulty swallowing pills. "It's a real challenge nowadays," said Ron Keech, pharmacist at Village Green Apothecary in Bethesda, Md. "My understanding is that we can get about one bottle a month from the local wholesaler. [They're] kind of rationing it out so...