Small business is poised for a comeback in 2013, as banks slowly loosen their reins on loan qualifications. According to the Biz2credit Small Business Lending Index, small businesses had a 14.9 percent loan-approval rate in December 2012, up from 13.2 percent in November and 9.7 percent in December 2011. The numbers should give hope to aspiring entrepreneurs but light a fire under stagnant small business owners. The takeaway: Competition is coming – you can stay in the game by taking...