WASHINGTON
The Fed is expected to abolish today nearly two dozen firewalls that  make it hard for bank-affiliated section 20 units to compete against   securities firms. Page 2   
  
REGIONAL BANKING
Omaha-based Commercial Federal, a thrift company, says it is buying  Liberty Financial of West Des Moines mostly for its commercial lending   portfolio. Page 3   
  
COMMUNITY BANKING
William Censky, laid off by Firstar nearly two years ago, has managed to  keep busy. Last year he started a mortgage company; now he has opened a   bank focusing on the main business in his Wisconsin hometown, dairy farming   - even though he doesn't know much about it. Page 5     
MORTGAGES
  
Washington Mutual and California Federal now seem the leading contenders  to buy Aames Financial, the Los Angeles subprime lender. Talk of a sale   began to surface shortly after investment banker Cary Thompson joined Aames   as CEO, but then the front-runner was thought to be NationsBank. Page 6     
INVESTMENT PRODUCTS
Amid concern that the run-up in blue chips is cresting, bank brokerage  customers are beginning to international and small-cap funds. Page 7 
CORPORATE FINANCE
  
PRIVATE PLACEMENT issues rose by about 60% in the first half, putting  1997 on track to smash last year's record of $203 billion. Page 8 
Boston-based CypressTree Investment Management brought a $575 million  collateralized loan and bond obligation to market. Such funds bought nearly   20% of the highly leveraged loans sold in the first half. Page 8   
TECHNOLOGY
ON-LINE BANKING: Putting his financial life on the line, a reporter  signs up for electronic bill payment. His conclusion: The glitches, if not   corrected, could hinder more widespread consumer acceptance. Page 10   
MARKET MONITOR
Michael Price's mutual fund shop at Franklin Resources has launched a  portfolio specializing in securities of financial services companies. Page   20   
WEEKLY REPORT: INTERNATIONAL
Sanwa California has joined the gold rush among banks in the state to  boost international operations. To lead the effort it hired the   international banking chief of Tokyo-Mitsubishi's California bank. Page 4   
Trading in emerging-market debt fell slightly during the second quarter  as worries eased that the U.S. would raise rates. Page 4