Delta to Cut Employee Pay 10 Percent  CHICAGO (Reuters) - Delta Air Lines Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=DAL.N target=/stocks/quickinfo/fullquote"&gt;DAL.N&lt;/A&gt; on Tuesday  said it will reduce executive and employee pay by 10 percent  starting in January and its CEO will go unpaid for the rest of  the year as it tries to cut costs to avert bankruptcy.