Wire Taps: Ryan Zimmerman's launch angle; Nationals may be waiting for ownership approval to make moves; Wieters and the Nats

In the dead of winter's news drought, we've managed to find enough links for some Wire Taps. Hallelujiah!

Here's the news from Nats Park.

Exit velocity, lack of lift provide explanation as to why Ryan Zimmerman struggled so much last season
Zimmerman's average exit velocity was among the best in the league -- yet, his average was among the lowest. As it turns out, his extremely low launch angle may be to blame for the statistical anomaly -- in other words, Zimmerman needs to get the ball off of the ground.

Report: Nats waiting for ownership approval to make any additions
Why have the Nats been taking so long to make any moves? Here's one potential reason why... (Note: This comes from Ken Rosenthal of FOX Sports.)

Can the Nats stand pat and still have a competitive roster?
The Nats haven't made any additions or subtractions to their 40-man roster since trading Danny Espinosa away. Is it possible for the Nats to win with their current roster?

Should the Nationals sign Matt Wieters? (January edition)
Matt Wieters and the Nationals: Two names that, no matter how hard either side tries, are always tied together. Is there any reason they should be?

Days until pitchers and catchers report: 22