nbc's chris clackham has more on harry reid's lasting legacy. >> the highlight for me -- >> reporter:ry reid has known as a tenacious fighter even before becoming a senator. growing up in poverty, his toughness shined as a scrappy boxer, and later as a u.s. capitol police officer. he got his political start in nevada politics serving on the state's gaming commission in the late '70s and early '80s. then climbed onto the national political stage in 1983, serving two terms in the house and for the next 30 years as u.s. senator from nevada, even becoming senate majority leader in 2007. >> i do hope they will do their constitutional duty -- >> reporter: during his leadership tenure, reid was a sharp critic of president george w. bush but instrumental in the obama years, passing major legislation like the affordable care act. throughout his career, reid also championed a cause dear to him, land conservation in nevada. it was a severe injury suffered on exercise equipment in january 2015 that eventually led to the fierce fighter losing some punch. although reid refused to admit it at the ti