"The dynamic between the two contenders for the Democratic presidential nomination was far more intense — and far more personal — than it has been in their previous face-offs. That reflected how close their race has become in the wake of a virtual tie in Monday's Iowa caucuses," the Post's Anne Gearan and Karen Tumulty opined. Results from software utilities developer Symantec ( NASDAQ:SYMC ) weren't much to write home about last night, but the shares received a boost in after-hours trading on news that private equity firm Silver Lake is pumping $500mln into the company and taking a seat on the board.