It’s All Politics, April 5, 2012

Mitt Romney’s sweep in Tuesday’s primaries essentially signals the beginning of the general election campaign. And President Obama joins the fray, attacking Romney by name in a speech to news editors; the former Massachusetts governor returns the favor a day later. Paul Ryan draws attention from the president as well as those speculating on the GOP ticket. NPR’s Ron Elving and Ken Rudin have the latest in this week’s political roundup.

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