"...The Board shall elect from among its own members a President and one (1) or more Vice Presidents." Art.4,sec.2.
"...The President may not succeed himself or herself more than once, after being elected to serve a full term, except that Charlton Heston may succeed himself as President a second time for the term commencing in the year 2000 and ending in the year 2001." Art.5 sec.1
At last springs convention, Mr. Heston was granted another term in office. He serves at the Boards pleasure. They and they alone have the power to grant him another term as NRA Pres. if they so desire. Petition means nothing, other than an expression of opinion.