Today's installment of campaign-related news items that won't necessarily generate a post of their own, but may be of interest to political observers:
* For the first time in recent memory, all four of the Republican presidential candidates are taking the day off and have no scheduled events.
* Rep. Tim Johnson (R-Ill.), just a month after winning a primary fight, made a surprise retirement announcement yesterday. Johnson, who has served six terms, will end his career at the end of the year.
* If the Texas Republican Party made its upcoming presidential primary winner take all, it could give Rick Santorum a big boost in delegates. Is that likely? The Texas GOP is at least thinking about it.
* A new poll in Indiana shows incumbent Sen. Dick Lugar (R) leading his primary opponent, to state Treasurer Richard Mourdock, by single digits, 42% to 35%.
* In Wisconsin, the state Republican Party has lined up six fake Democrats to run nuisance primary campaigns.
* In New York, Mitt Romney has a 33-point lead over Santorum among the state's Republican primary voters. The Empire State's primary is scheduled for April 24.
* Also in New York, Quinnipiac shows Gov. Andrew Cuomo (D) maintaining a sky-high approval rating, with 68% of voters in the state giving the governor a thumbs-up.
* And finally, the Obama/Biden campaign has a new tactic to highlight Romney's frequent falsehoods: fact-checking videos. The first debuted this week, and it was soon followed by a second a day later.