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For this week’s Slate Plus bonus segment, the hosts discuss the worst decisions—of any sort—throughout history. Slate Plus members get an ad-free version of this podcast with bonus segments. Visit slate.com/gabfestplus and try it free for two weeks.

On this week’s Slate Political Gabfest, special guest Annie Lowrey, contributing editor at New York magazine, John Dickerson, and David Plotz discuss the Disneyland measles outbreak and the revived debate about vaccinations, President Obama’s fiscal year 2016 federal budget proposal, and NBC Nightly News anchor Brian Williams’ embellishment of his Iraq war experience.

Here are some of the links and references mentioned during this week’s show:

• Go to the Centers for Disease Control and Prevention for the latest news on measles cases and outbreaks.
• Gov. Chris Christie, R-New Jersey, and Sen. Rand Paul, R-Kentucky, said what about vaccines? Where do the potential 2016 presidential candidates stand on vaccinations?
• Who is to blame for the latest measles outbreak: lefty holistic naturopathic progressives, anti–government intrusion Libertarians, or the media?
• Should anti-vaxxers be shamed or persuaded—or legally mandated? Slate’s Jamelle Bouie gives sound advice.
• Slate’s Amanda Marcotte details how an Indiana woman was convicted of fetal homicide and child neglect.
• The White House released the president’s budget for fiscal year 2016.
• The president’s nearly $4 trillion budget proposal seeks to loosen the strictures of austerity. Republicans responded as expected. Are there possibilities for compromise?
• Brian Williams told Alec Baldwin he thought he was going to die in Iraq. He originally report this, and then later told David Letterman this. And then he apologized.
• Slate’s Ben Mathis-Lilley gives you the Slatest on the Brian Williams controversy.

Annie chatters about Ames v. Nationwide Mutual Insurance Co. et al., a case in Iowa regarding breastfeeding rights.

John chatters about the Associated Press’ annual History as We Lived It almanacs.

David Plotz chatters about whether or not employers should be the nexus between their employees and health insurance.

Topic ideas for next week? You can tweet suggestions, links, and questions to @SlateGabfest.

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The email address for the Political Gabfest is gabfest@slate.com. (Email may be quoted by name unless the writer stipulates otherwise.)

Podcast production by Mike Vuolo. Links compiled by Tarik Barrett.