WAP2000030706 - 07 MARCH 2000 - WASHINGTON, D. C. USA:President Clinton meets in the oval Office March 7th with Congressional Leaders on gun control legislation. Seated next to the President: Sen. Orrin Hatch (R-UT) Seated in background are the following members of Congress and White House staff (L to R): Sen. Patrick Leahy (D-VT), Bruce Reed (Assistant to the President and Director of the Domestic Policy Council), Charles Brain (Assistant to the President and Director for Legislative Affairs), Rep. Henry Hyde (R-IL), John Podesta (White House Chief of Staff), and Rep. John Conyers (D-MI). UPI rw/William Vasta/White House....