But for much of this hour, we'll take a different tack and talk about the value of partisanship.

NPR: Does Partisanship Have Its Place in Politics?

Three main factors seem to have brought about the Russian change of tack.

ECONOMIST: Caspian carve-up | The

Dr Kobilka - who is now at Stanford University in California - joined the HHMI team in the 1980s, and they took another tack to discover how the receptors come about, searching within the human genome for the code that lays out the genetic instructions for them.

BBC: Chemistry Nobel goes to Robert Lefkowitz and Brian Kobilka

Whatever seeds of doubt Labour may have sown about the Conservative plans, its change of tack was probably counter-productive.

ECONOMIST: Spending plans

However, such equipment is bulky and expensive, so it changed tack for its second crack at the whip, which you can find out about if you join us after the break.

ENGADGET: Nokia's Damian Dinning goes in-depth on phase two of PureView for the Lumia 920 (video)

And even still, they're going to run you about 6 Bens in Japan, so an American importer can expect to tack on another 20-50%.

ENGADGET: Sony's latest NetJuke, the NAS-A10

Yesterday, we told you about StickNFind, a nifty electronic sticker that lets you locate anything you tack it to, and MeterPlug, the smartphone-compatible power monitor with cost estimates and realtime consumption readouts.

ENGADGET: BluTracker lets you locate your stuff within 2,500 feet, we go hands-on (video)

Because the code has been licensed under the Eclipse public license rather than the harder-core GPL, device manufacturers will be able to continue to tack on custom features and hardware support without open-sourcing it, which should make them less gun-shy about throwing weight behind the platform -- and considering how badly these guys need to get back into the spotlight, that's a good thing.

ENGADGET: Symbian Foundation talks about its move to open source