Buyer of Rowland's Condo Says Broker Complained of Pressure
Wayne E Pratt, well-known Conn antiques dealer who agreed to buy Gov John G Rowland's condominium, tells prosecutors that businessman brokering sale said seller was 'squeezing him for more money'; Asst US Atty Nora R Dannehy makes statement during federal court hearing at which Pratt pleads guilty to supplying false information about condominium on tax return; he reportedly tells prosecutors that businessman, Robert V Matthews, agreed to funnel money to Pratt to make purchase and disguise it as that of costly antique; Pratt and electrical contractor Kurt Claywell are cooperating in corruption probe (M)