keep line constant backtrack generally erratic ways president donald trump take soft stance see essentially core campaign promise claim 2,000 mile long wall initially intend build along border mexico may need cover full distance due natural border already exist mountains rivers violent vicious areas far away really people cross president tell reporters aboard air force one recent flight paris need anywhere 700 900 miles trump make construction big beautiful wall big beautiful door solid structure 30 feet high effort curb illegal immigration cornerstone 2016 election campaign insist mexico would pay cost estimate vicinity 20 billion although late state could cut cover wall solar panel naturally mexico refuse pay likely never request border wall first place however trump still believe find way get cough cash construction begins.but believe president insistence mexico reimburse us construction wall flaw plan sadly mistake first almost 700 900 miles trump mention less half length us-mexico border already wall fence fact current border wall already 650 miles long also rivers violent vicious yes large part border texas consist rio grande part river barely trickle water.president trump also believe border wall need transparent able see say horrible sound throw large sack drug people side wall see hit head 60 pound stuff six months presidency trump request 1.6 billion congress project roughly percent total estimate maybe learn accord pew research center approximately 66 percent illegal immigrants us least decade amount illegal mexican immigrants decline last 10 years one million less 2007 mexicans make 52 percent illegal immigrants unite states.featured image via sandy huffaker/getty image trump say wall may need wall cover entire us-mexico border