'This Week' Transcript: Rep. Mike Rogers, Rep. Dutch Ruppersberger, and Rep. Jan Schakowsky

WASHINGTON, April 28, 2013— -- STEPHANOPOULOS: Good morning and welcome to This Week.

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STEPHANOPOULOS: Game changer.

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OBAMA: A red line for us is we start seeing chemical weapons moving around, or being utilized.

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STEPHANOPOULOS: Chemical weapons in Syria.

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MCCAIN: It's pretty obvious, that red line has been crossed.

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STEPHANOPOULOS: Does that mean military action is next? Plus, the Boston bombing investigation.

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(UNKNOWN): It is dangerous to the greater community and we have got to get to the bottom of this right now.

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STEPHANOPOULOS: Did the interrogation end too soon? Were warning signs missed? Breaking details from the leadership of the House Intelligence Committee, and a This Week exclusive. Then...

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BUSH: I appreciate my fellow members of the former president's club.

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STEPHANOPOULOS: A parade of former presidents in Texas. Armageddon at the airports, and...

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CONAN: Everything you ate this evening was personally shot by Wayne LaPierre.

OBAMA: We were willing to try anything, so we tried one of Michelle's tricks.

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STEPHANOPOULOS: Washington's prom night.

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(UNKNOWN): It's my favorite event of the year.

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STEPHANOPOULOS: We've got all the stars, jokes, and glamour from the White House Correspondent's Dinner.

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(UNKNOWN): This Week with George Stephanopoulos starts right now.

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ANNOUNCER: From ABC News, This Week with George Stephanopoulos. Reporting from the Newsmen in Washington, D.C., George Stephanopoulos.

STEPHANOPOULOS: Hello again. They call it the Nerd Prom. That one night every year when politicians and the press pretend to be Hollywood starts, red carpet and all. And Hollywood turned out in more force than ever last night, all to hear the president take some shots at the press.

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OBAMA: I know CNN has taken some knocks lately, but the fact is I admire their commitment to cover all sides of the story. Just in case one of them happens to be accurate.

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STEPHANOPOULOS: And himself!

OBAMA: I'm out in California. We're at a fundraiser having a nice time. I happen to mention that Kamala Harris is the best-looking attorney general in the country.

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OBAMA: As you might imagine, I got in trouble when I got back home.

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OBAMA: Who knew Eric Holder was so sensitive.

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STEPHANOPOULOS: Conan O'Brien shot right back.

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O'BRIEN: It's been several months since you were re-elected, Sir. So I'm curious, why are you still sending everyone five emails a day, asking for more money? You won! Do you have a gambling problem we don't know about?

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STEPHANOPOULOS: And, both men honored the Americans who rallied for others after the explosions in Boston, and Texas.

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OBAMA: We've had some difficult days, but even when the days seemed darkest, we have seen humanity shine at its brightest. We've seen first-responders, and National Guardsman who dashed into danger. And every day Americans who are opening their homes, and their hearts to perfect strangers.

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