Analyze the valence intensity of the tweeter's mood conveyed in the tweet "Latest on new optimism on keeping #Raiders in #Oakland, live right now on @KCBSNews: @NFL meets here w/Lott &amp; Schaaf to talk new stadium". Offer a real-valued score ranging from 0 to 1, where 1 indicates the most positive and 0 indicates the most negative sentiment.
0.677