1.   Ben Paris, a fourth-degree black belt in tae kwon do, is happy to demonstrate his grasp of the scientific principles.

2.   Lieberman and Cheney each demonstrated a grasp of issues and calm demeanor that led some observers to remark they should be heading their respective tickets.

3.   Morris, notwithstanding his message to his Republican brethren, arrived at the White House last year and quickly demonstrated his grasp of the art of political positioning.

4.   While in baseball, Bush demonstrated a grasp not just of tactics but also of strategy.

5.   Without being bogged down by arcane legal jargon, several primary-school students can quickly demonstrate their grasp of the seven civic duties as prescribed by the charter.