Senator Marco Rubio, the leading Republican behind the Gang of Eight comprehensive immigration reform proposal, has often challenged those who criticize the bill to come up with ways to improve it. And not just his fellow lawmakers; Rubio has opened a new page on his Senate website asking for help from the public. “Visit our website and submit your ideas to ‘Help Us Improve the Bill,’” says an announcement from Rubio’s office Friday. “Since the immigration legislation was introduced, Rubio has received over 1,100 suggestions for how to improve the bill. Rubio encourages the public to continue reviewing the bill...