American Greetings Reverses Year-Ago Loss  CHICAGO (Reuters) - Greeting card maker American Greetings  Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=AM.N target=/stocks/quickinfo/fullquote"&gt;AM.N&lt;/A&gt; on Wednesday posted a quarterly profit, reversing  a year-earlier loss, as licensing income and lower costs offset  flat sales.