構文、単語おねがいします in that light,earned media
In that light, “the earned media coming out of the Florida win is very, very important,” the aide said, in reference to the extensive airtime, all free, that the winner of that contest would receive on the cable news channels and network newscasts. “Riding that wave can be very important.”
「その意味では、フロリダ州で勝利したときの宣伝はとても重要だ。
ニュース放送等でフロリダ州の勝者が受ける放映延長時間（これはすべて無料なのだが）
について語った。」
内容と構文を理解した上での訳にしたいのですが。
In that lightも会話の一部でしょうか。
語句は調べてみたのですがearned media,coming out of、extensive airtime,all free,that以下の働き
などがいまひとつです。
この前には
Thus far, those seeking the Republican nomination have been reluctant to follow the lead of Senators Obama and Clinton. Senator John McCain, Mitt Romney and Rudolph W. Giuliani are training their advertisements almost exclusively on Florida Republicans, who vote next Tuesday and whose choice, if decisive, could give one candidate in particular momentum heading into Super Tuesday.
An aide to Mr. McCain, who had struggled to raise money until taking in $7 million in the new year, said the campaign was daunted by the prospect of advertising in multiple states before Feb. 5. The cost of a statewide television buy in California alone could approach $5 million a week, the aide said. (It is for this reason that the Clinton campaign, at least, has so far advertised in San Francisco, but not Los Angeles, which is more expensive.)
という段落があります。
お礼
そうなのですね。。。 ありがとうございます。 たいへん感謝です！