False. That birther crap was embraced by fringes.
If you are trying to say the Republican party embraced the birther conspiracy in an equivalent manner to how Democrats are pushing this stupid Russia conspiracy, then you are a lying hack. If you're not, then you're still a hack, but not necessarily a liar. 
Its most vocal supporter was the
current republican president.

So, you are, in fact, the liar and hack.
But that wasn't even my point. My point was that Dems aren't the only ones who have questions about trump's seedy Russian ties. Many republican lawmakers called for investigations. Many republican voters have said they are suspicious.
I know for a fact there is no evidence. Every member of Congress who has answered that direct question has said the same thing: no evidence of Trump colluding with the Russian government to try and win the election.

You are aware of why investigations are conducted, right? Do you think when police conduct investigations, they already have the evidence they need laid out and organized and the investigation part is just for fun? Your reasoning is that not having evidence before an investigation is conducted means that there is no evidence? Am I interpreting you correctly?