Now that health care law has been signed, the next major legislation dominating Washington DC is financial regulation. Fresh off fraud charges against Wall Street giant Goldman Sachs, President Obama gave a speech outlining his goals for financial reform on Thursday, just blocks away from Wall Street. But also vying for political attention are the retirement of Supreme Court Justice John Paul Stevens and the politics of Obama’s selection of a replacement; major policy questions surrounding immigration law and environmental regulations, especially in a week including the 40th anniversary of Earth Day. And campaign politics continue to stump the experts, with Tea Party partisans upending the status quo, Florida Governor Charlie Crist in trouble against conservative Marco Rubio in the Republican primary for Florida’s Senate seat; Senate Majority Leader Harry Reid in trouble defending his Democratic seat in Nevada; and famed party defector Arlen Specter fighting off a challenge for Pennsylvania’s Democratic Senate nomination against Congressman Joe Sestak. Joining Marty to discuss all this and more on today’s Radio Times are MARK HALPERIN of TIME magazine and DAVID MARK, senior editor for Politico.com.