America Online May Face FTC Probe, Report Says: Citing a government source, BusinessWeek magazine reported that the Federal Trade Commission may be examining the billing practices of the No. 1 online service. By Presidential proclamation, May 1-7 is declared to be National Small Business Week , an annual marking of the critical value of this segment of the American economy. One of the biggest indicators of this was a thermometer that appeared on the cover of the magazine for decades, from the 1930s to 1961, that gauged the temperature of the American economy. When Bloomberg bought it from MH and…