Muhammad Ali Jr., son of the late boxing legend Muhammad Ali, arrives for a forum on Capitol Hill in Washington, Thursday, March 9, 2017, on the consequences of President Donald Trump’s immigration policies, sponsored by House House Judiciary Committee members Rep. Zoe Lofgren, D-Calif., and Rep. Luis Gutierrez, D-Ill., a leading advocate in the House for comprehensive immigration reform. WASHINGTON – The son of the late boxing champion Muhammad Ali told members of Congress Thursday he believes his recent detention for extended questioning at a Florida airport shows the need for legislation to end racial profiling.