It&amp;#8217;s remarkable enough when a jocular tweet becomes a national sensation. But when that tweet also leads to an effort to raise $50,000, it&amp;#8217;s downright phenomenal. It all started when Twitter user @MT proposed that Detroit&amp;#8217;s mayor erect a statue of RoboCop in a tweet that read, &amp;#8220;Philadelphia has a statue of Rocky &amp;#038; Robocop [...]