Question

1. What is the Impeachment Power of Congress?
2. How does it work?
3. Should The House have brought impeachment charges against President Trump? Why or why not?  

Answer 1

The Constitution gives Congress the authority to impeach and remove "The President, Vice President, and all civil officers of the United States" upon a determination that such officers have engaged in treason, bribery, or other high crimes and misdemeanors.

Three presidents have been impeached in U.S. history: Andrew Johnson in 1868, Bill Clinton in 1998, and Donald Trump in 2019

How the Impeachment Process Could Play Out

The House of Representatives

Any member of the House may initiate impeachment proceedings at any time. This is done by presenting the list of charges under oath or going to a committee. According to the US Constitution, impeachable offenses include Treason , High crime etc.  

Six House committees are expected to continue investigating President Trump on impeachable offenses and to send their strongest cases to the Judiciary Committee.

if The findings are determined to be insufficient evidence of wrongdoing. then remain office

if the findings are determined to be sufficient. then ,The House holds a floor vote on one or more articles of impeachment

Less than a majority of the House votes to impeach office remain

A majority of House members vote to impeach.then current office (Trump is impeached)

SENATE

The articles of impeachment move to the Senate, which then holds a trial.

After the trial, the Senate holds a vote to convict the president.
-Fewer than two-thirdsof members present vote to convict (office remain)

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Two-thirds or more of members present vote to convict.then impeached ,office remove