I don’t know how many of you watched Mad Men last night, but being old enough to remember MLK’s assassination, I found the show’s assessment of the reaction on Madison Avenue to be a tad over-played. As I recall it, a shamefully high percentage of white Americans paid it little attention until riots broke out.

Anyway, here are some mid-day news/views morsels from the great smorgasboard of the media:

* PPP surveys show increasing evidence that senators (from both parties) opposing Manchin-Toomey background check legislation are experiencing a voter backlash.

* Sandra Day O’Connor admits Bush v. Gore decision may have been a mistake. Wish she could have said that at the Bush Library event the other day.

* At the Plum Line Jamelle Bouie celebrates internet sales tax bill as rare defeat for anti-tax forces.

* Steven Lynch, expected to lose to Ed Markey in tomorrow’s special Senate primary in Massachusetts, suspends campaigning due to illness.

* Slate‘s Dave Weigel offers about the only coverage of the White House Correspondents’ Dinner I can stomach.

And in quasi-non-political news:

* Jason Collins comes out as NBA’s first openly-gay player. Maybe more will follow suit.

Back within an hour.

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Ed Kilgore is a political columnist for New York and managing editor at the Democratic Strategist website. He was a contributing writer at the Washington Monthly from January 2012 until November 2015, and was the principal contributor to the Political Animal blog.