Sounds like a newscast, and the reporter is on the scene at the convention - i.e., reporting live from the coventionWebcast: Live from convention
The most likely scenario is as follows:Justice Department seeks to throw out major terror conviction
There was a trial. Sombody was convicted (found to be guilty) by a jury. JD wants a judge to overturn the verdict of the jury. JD seeks to have the conviction thrown out of court by the judge.
Sharper doesn't work well here unless there is a context of competition among astronomers looking for new planets, resulting in a sharper era of competition[/b][/i]Astronomers have discovered four new planets in a week's time, an exciting end-of-summer flurry that signals a sharper era in the hunt for new worlds.