* Tribune…

The survey had Emanuel at 51 percent to 37 percent for Garcia with less than four weeks before the April 7 runoff election. Both candidates have gained around 5 percentage points since the first round of voting last month. Another 11 percent of voters remained undecided in the poll, which was conducted March 6 through Wednesday. […]

(T)he poll shows Emanuel’s support rebounding among black voters, a group viewed by both campaigns as a major key to winning next month. Among African-American voters, 52 percent backed the mayor, 31 percent supported Garcia and 15 percent were undecided. […]

Among black voters, 50 percent have a favorable view of the mayor, up from 44 percent last month. But for Garcia, the percentage of black voters with a favorable view grew only slightly since last month, to 31 percent from 28 percent, while those who viewed him unfavorably more than doubled to 22 percent from 9 percent. […]

Overall, a third of the city’s voters have no impression of Garcia, while 40 percent view him favorably and 24 percent look at him in an unfavorable light… Emanuel is now viewed favorably by 50 percent of all voters, while 32 percent have an unfavorable impression of the mayor.