\documentclass[11pt]{scrartcl}

\usepackage{ucs}
\usepackage[utf8x]{inputenc}
\usepackage[letterpaper,left=1.3in,right=1.3in,top=1.3in,bottom=1.3in]{geometry}
\usepackage{fancyhdr}
% \usepackage{url}
% \usepackage{graphicx}
% \usepackage{amsmath, amsthm, amssymb}

\newcommand{\titleref}[1]{\textsl{#1}}
\newenvironment{narrow}[2]{%
  \begin{list}{}{%
      \setlength{\topsep}{0pt}%
      \setlength{\leftmargin}{#1}%
      \setlength{\rightmargin}{#2}%
      \setlength{\listparindent}{0pt}%
      \setlength{\itemindent}{0pt}%
      \setlength{\parsep}{\parskip}}%
  \item[]}{\end{list}}

\begin{document}

\pagestyle{fancy}
\renewcommand{\sectionmark}[1]{\markright{\thesection.\ #1}}
\fancyhead{}
\fancyfoot{}
\fancyhead[R]{\rm \thepage}
\fancyhead[L]{\bf \rightmark}

\setlength{\parskip}{4.5pt}

\baselineskip 17.5pt

\title{Title}
\author{Benjamin Mako Hill}
\maketitle

\section{Section}

The quick brown fox jumps over the lazy dog.  The quick brown fox jumps
over the lazy dog.  The quick brown fox jumps over the lazy dog.  The
quick brown fox jumps over the lazy dog.  The quick brown fox jumps over
the lazy dog.  The quick brown fox jumps over the lazy dog.  The quick
brown fox jumps over the lazy dog.  The quick brown fox jumps over the
lazy dog.  The quick brown fox jumps over the lazy dog.  The quick brown
fox jumps over the lazy dog.

\end{document}