A coalition of industry and advocacy groups is flexing its collective muscle as it prepares to push Senate legislation extending the current maximum mortgage loan limits. The group, comprised of 14 financial and real estate trade and advocacy associations, are lining up behind S. 1508, the Homeownership Affordability Act of 2011, which would extend the temporary high-cost area loan limit through the end of 2013. Introduced by Sens. Robert Menendez, D-NJ, and Johnny Isakson, R-GA, the bill complements a similar bipartisan effort by Reps. John Campbell, R-CA, and Gary Ackerman, D-NY, in the House Financial Services Committee to keep ...