Where are your facts to back up the statement that the immigration issue is "costing the nation lost tax revenue and Republicans votes among a growing Hispanic/Latino electorate who once viewed the Republican Party as a vehicle to help lift them up"?
Polls show that immigration is not one of the top issues of concern for Hispanics, legal Hispanic citizens who can vote that is. http://www.gallup.com/poll/155327/hispanic-voters-put-issues-immigration
A Heritage Foundation study finds that the cost of amnesty would be about $1 trillion which is 70 times more than attrition through enforcement. https://www.numbersusa.com/content/learn/illegal-immigration/amnesty-costs-10-times-more-than-enforcement.html