Article snippet: This is a rush transcript that will be updated. (BEGIN VIDEOTAPE) ANNOUNCER: This Week with George Stephanopoulos starts right now. CROWD: The NRA has got to go. GEORGE STEPHANOPOULOS, ABC NEWS: Call to action. UNIDENTIFIED MALE: How many schools, how many children have to get shot? UNIDENTIFIED MALE: I don't understand why I can still go in a store and buy a weapon of war. STEPHANOPOULOS: As the pressure builds to protect schools, the NRA goes on offense. WAYNE LAPIERRE, CEO, NRA: As usual, the opportunists wasted not one second to exploit tragedy for political gain. STEPHANOPOULOS: President Trump argues for arming teachers. DONALD TRUMP, PRESIDENT OF THE UNITED STATES: There they're not going to walk into a school if 20 percent of the teachers have guns. STEPHANOPOULOS: As so many teens say, never again, will their activism bring real change? How hard with the president push for more guns in schools? Is the NRA prepared to give any ground? Is this time any different? We'll ask the NRA's top spokesperson Dana Loesch, and survivors of the Parkland shooting teacher Ashley Kirk and student David Hogg. Plus... UNIDENTIFIED MALE: Mr. President, any concerned about Rick Gates? STEPHANOPOULOS: A dramatic new plea in the Russia investigation. Top Trump campaign aid Rick Gates switches sides. Will his plea deal spell doom for Paul Manafort and others in Trump's inner circle? Is it the strongest sign yet that more and serious charges are comin... Link to the full article to read more