Should Republicans Block Congressional Investigations of the Phony Donald Trump, Jr. “Scandal”?

The anti-Trump media and Democrats claim that Donald Trump, Jr.’s meeting with a Russian lawyer is the “smoking gun” that will bring down President Trump. They are demanding endless Congressional hearings at which we can expect wild charges, questioning filled with innuendo, and few facts. Should Congressional Republicans go along with these hearings or use their majority to prevent them from taking place?