Coke Profit Drops on U.S., European Sales  ATLANTA (Reuters) - Coca-Cola Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=KO.N target=/stocks/quickinfo/fullquote"&gt;KO.N&lt;/A&gt; on Thursday  reported a 24 percent drop in third-quarter net income due to  weak sales of its soft drinks, juices and bottled waters in  Germany, North America and other key markets.