This is all old news. The Dossier is an important document compiled by an ally and friend to the USA. Christopher Steele has no reason what so ever to lie about facts in his concern for his own country and that of an ally in the USA. This is not a game for Mr. Steele. He understands the brevity of such documents all too well.
The only METHOD for the Republicans to follow to maintain their political standing is to attack the integrity of those involved.
January 7, 2019
...The controversial 35 pages of intelligence memos compiled by retired British spy Christopher Steele paint a picture of widespread conspiracy of collusion between the Trump campaign and the Russian government. To Democrats and President Donald Trump's critics, the documents tell a story that could amount to treason....
...Steele's memos (click here) lay out specific meetings that haven't been corroborated. But his claim that there was regular contact between Trump's campaign and Russians has held up over time. When he wrote his memos in 2016, hardly any of these contacts were publicly known. They have since been revealed in Mueller's court filings, countless news reports and testimony on Capitol Hill...