0000350440-00-000113 SC 13G/A 1 20000510 CORNELL CORRECTIONS INC 0001016152 8744 760433642 DE 1231 SC 13G/A 34 005-48735 624737 1700 WEST LOOP SOUTH STE 1500 HOUSTON TX 77027 7136230790 4801 WOODWAY STE 400W HOUSTON TX 77056 SELIGMAN J & W & CO INC /NY/ 0000350440 0000 133043476 NY 1231 SC 13G/A 100 PARK AVENUE - 8TH FLOOR NEW YORK NY 10006 2124880200 100 PARK AVENUE 8TH FLOOR NEW YORK NY 10017 SC 13G/A 1 000035044000000113-001-seq1-sc-13g-a.txt SCHEDULE 13G/A