What sentence from the passage shows the author's bias?


“In addition, statistics from the U.S. Department of Education were included, which stated that between the 1999-2000 and 2009-2010 school years, the percent of public schools requiring uniforms increased from 12% to 19%.” (paragraph 2)


“Mr. Crockett discussed the history of school uniforms in public schools, describing comparisons made in the 1980s between the quality of public schools and private schools, in particular Catholic schools.” (paragraph 2)


“Mr. Crockett quoted President Clinton's 1996 State of the Union address, when he spoke about the need for schools to teach character, good principles, and citizenship.” (paragraph 5)


“While a uniform policy might relieve the problems slightly, these are complex and challenging issues that need further investigation and require a significant amount of time and energy on the part of the schools and parents.” (paragraph 4)