Okay, I’m overusing “must-read” today, but you must read Dan Eggen: “Super PACs and other groups dominated the race for the Republican presidential nomination last month, raising and spending tens of millions of dollars outside the traditional campaign system and playing a key role in extending an already tumultuous contest, according to new disclosures filed Monday.”

And more Eggen:”Now we know why some Obama supporters may have been so panicked: Priorities USA Action, the main pro-Obama super PAC, raised just $58,815.83 in January, according to a report filed late Monday with the Federal Election Commission.”